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Finding the Fourth Proportional to 588,809.20, 882,306.60 and 438,343.60

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Solution

The fourth proportional to 588,809.20, 882,306.60 and 438,343.60 is: 656,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,809.20 : 882,306.60 = 438,343.60 : x
  2. Step 2: Convert to fraction form
    588,809.20/882,306.60 = 438,343.60/x
  3. Step 3: Cross multiply
    588,809.20x = 882,306.60 × 438,343.60
  4. Step 4: Simplify right side
    588,809.20x = 386,753,451,347.76
  5. Step 5: Solve for x
    x = 386,753,451,347.76/588,809.20
  6. Step 6: Final answer
    x = 656,840.03

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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.