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Finding the Fourth Proportional to 499,287.20, 748,009.20 and 466,109.60

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Solution

The fourth proportional to 499,287.20, 748,009.20 and 466,109.60 is: 698,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,287.20 : 748,009.20 = 466,109.60 : x
  2. Step 2: Convert to fraction form
    499,287.20/748,009.20 = 466,109.60/x
  3. Step 3: Cross multiply
    499,287.20x = 748,009.20 × 466,109.60
  4. Step 4: Simplify right side
    499,287.20x = 348,654,269,008.32
  5. Step 5: Solve for x
    x = 348,654,269,008.32/499,287.20
  6. Step 6: Final answer
    x = 698,304.04

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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.