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Finding the Fourth Proportional to 584,446.80, 876,670.20 and 549,017.40

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Solution

The fourth proportional to 584,446.80, 876,670.20 and 549,017.40 is: 823,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,446.80 : 876,670.20 = 549,017.40 : x
  2. Step 2: Convert to fraction form
    584,446.80/876,670.20 = 549,017.40/x
  3. Step 3: Cross multiply
    584,446.80x = 876,670.20 × 549,017.40
  4. Step 4: Simplify right side
    584,446.80x = 481,307,193,861.48
  5. Step 5: Solve for x
    x = 481,307,193,861.48/584,446.80
  6. Step 6: Final answer
    x = 823,526.10

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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.