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Finding the Fourth Proportional to 486,542.74, 671,744.91 and 435,466.90

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Solution

The fourth proportional to 486,542.74, 671,744.91 and 435,466.90 is: 601,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,542.74 : 671,744.91 = 435,466.90 : x
  2. Step 2: Convert to fraction form
    486,542.74/671,744.91 = 435,466.90/x
  3. Step 3: Cross multiply
    486,542.74x = 671,744.91 × 435,466.90
  4. Step 4: Simplify right side
    486,542.74x = 292,522,671,350.11
  5. Step 5: Solve for x
    x = 292,522,671,350.11/486,542.74
  6. Step 6: Final answer
    x = 601,227.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.