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Finding the Fourth Proportional to 459,591.57, 634,227.21 and 255,638.13

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Solution

The fourth proportional to 459,591.57, 634,227.21 and 255,638.13 is: 352,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,591.57 : 634,227.21 = 255,638.13 : x
  2. Step 2: Convert to fraction form
    459,591.57/634,227.21 = 255,638.13/x
  3. Step 3: Cross multiply
    459,591.57x = 634,227.21 × 255,638.13
  4. Step 4: Simplify right side
    459,591.57x = 162,132,657,959.52
  5. Step 5: Solve for x
    x = 162,132,657,959.52/459,591.57
  6. Step 6: Final answer
    x = 352,775.53

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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.