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Finding the Fourth Proportional to 584,416.80, 876,625.20 and 571,294.80

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Solution

The fourth proportional to 584,416.80, 876,625.20 and 571,294.80 is: 856,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,416.80 : 876,625.20 = 571,294.80 : x
  2. Step 2: Convert to fraction form
    584,416.80/876,625.20 = 571,294.80/x
  3. Step 3: Cross multiply
    584,416.80x = 876,625.20 × 571,294.80
  4. Step 4: Simplify right side
    584,416.80x = 500,811,418,308.96
  5. Step 5: Solve for x
    x = 500,811,418,308.96/584,416.80
  6. Step 6: Final answer
    x = 856,942.20

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Half scale
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Double scale
Find fourth proportional to 584,417.80, 876,626.70 and 571,295.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.