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Finding the Fourth Proportional to 584,177.80, 876,266.70 and 555,309.40

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Solution

The fourth proportional to 584,177.80, 876,266.70 and 555,309.40 is: 832,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,177.80 : 876,266.70 = 555,309.40 : x
  2. Step 2: Convert to fraction form
    584,177.80/876,266.70 = 555,309.40/x
  3. Step 3: Cross multiply
    584,177.80x = 876,266.70 × 555,309.40
  4. Step 4: Simplify right side
    584,177.80x = 486,599,135,416.98
  5. Step 5: Solve for x
    x = 486,599,135,416.98/584,177.80
  6. Step 6: Final answer
    x = 832,964.10

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Double scale
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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.