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Finding the Fourth Proportional to 499,028.80, 748,543.20 and 233,308.30

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Solution

The fourth proportional to 499,028.80, 748,543.20 and 233,308.30 is: 349,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,028.80 : 748,543.20 = 233,308.30 : x
  2. Step 2: Convert to fraction form
    499,028.80/748,543.20 = 233,308.30/x
  3. Step 3: Cross multiply
    499,028.80x = 748,543.20 × 233,308.30
  4. Step 4: Simplify right side
    499,028.80x = 174,641,341,468.56
  5. Step 5: Solve for x
    x = 174,641,341,468.56/499,028.80
  6. Step 6: Final answer
    x = 349,962.45

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Similar ratio
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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.