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Finding the Fourth Proportional to 498,448.26, 747,487.71 and 178,550.30

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Solution

The fourth proportional to 498,448.26, 747,487.71 and 178,550.30 is: 267,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,448.26 : 747,487.71 = 178,550.30 : x
  2. Step 2: Convert to fraction form
    498,448.26/747,487.71 = 178,550.30/x
  3. Step 3: Cross multiply
    498,448.26x = 747,487.71 × 178,550.30
  4. Step 4: Simplify right side
    498,448.26x = 133,464,154,866.81
  5. Step 5: Solve for x
    x = 133,464,154,866.81/498,448.26
  6. Step 6: Final answer
    x = 267,759.30

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1.5x scale

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.