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Finding the Fourth Proportional to 577,182.40, 865,773.60 and 470,894.20

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Solution

The fourth proportional to 577,182.40, 865,773.60 and 470,894.20 is: 706,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,182.40 : 865,773.60 = 470,894.20 : x
  2. Step 2: Convert to fraction form
    577,182.40/865,773.60 = 470,894.20/x
  3. Step 3: Cross multiply
    577,182.40x = 865,773.60 × 470,894.20
  4. Step 4: Simplify right side
    577,182.40x = 407,687,766,753.12
  5. Step 5: Solve for x
    x = 407,687,766,753.12/577,182.40
  6. Step 6: Final answer
    x = 706,341.30

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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.