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Finding the Fourth Proportional to 607,151.20, 909,949.20 and 466,211.20

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Solution

The fourth proportional to 607,151.20, 909,949.20 and 466,211.20 is: 698,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,151.20 : 909,949.20 = 466,211.20 : x
  2. Step 2: Convert to fraction form
    607,151.20/909,949.20 = 466,211.20/x
  3. Step 3: Cross multiply
    607,151.20x = 909,949.20 × 466,211.20
  4. Step 4: Simplify right side
    607,151.20x = 424,228,508,471.04
  5. Step 5: Solve for x
    x = 424,228,508,471.04/607,151.20
  6. Step 6: Final answer
    x = 698,719.71

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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.