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Finding the Fourth Proportional to 499,045.60, 748,568.40 and 183,437.20

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Solution

The fourth proportional to 499,045.60, 748,568.40 and 183,437.20 is: 275,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,045.60 : 748,568.40 = 183,437.20 : x
  2. Step 2: Convert to fraction form
    499,045.60/748,568.40 = 183,437.20/x
  3. Step 3: Cross multiply
    499,045.60x = 748,568.40 × 183,437.20
  4. Step 4: Simplify right side
    499,045.60x = 137,315,291,304.48
  5. Step 5: Solve for x
    x = 137,315,291,304.48/499,045.60
  6. Step 6: Final answer
    x = 275,155.80

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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.