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Finding the Fourth Proportional to 458,925.68, 688,565.04 and 222,250.16

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Solution

The fourth proportional to 458,925.68, 688,565.04 and 222,250.16 is: 333,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,925.68 : 688,565.04 = 222,250.16 : x
  2. Step 2: Convert to fraction form
    458,925.68/688,565.04 = 222,250.16/x
  3. Step 3: Cross multiply
    458,925.68x = 688,565.04 × 222,250.16
  4. Step 4: Simplify right side
    458,925.68x = 153,033,690,310.41
  5. Step 5: Solve for x
    x = 153,033,690,310.41/458,925.68
  6. Step 6: Final answer
    x = 333,460.73

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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.