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Finding the Fourth Proportional to 461,753.60, 693,148.80 and 357,036.80

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Solution

The fourth proportional to 461,753.60, 693,148.80 and 357,036.80 is: 535,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,753.60 : 693,148.80 = 357,036.80 : x
  2. Step 2: Convert to fraction form
    461,753.60/693,148.80 = 357,036.80/x
  3. Step 3: Cross multiply
    461,753.60x = 693,148.80 × 357,036.80
  4. Step 4: Simplify right side
    461,753.60x = 247,479,629,475.84
  5. Step 5: Solve for x
    x = 247,479,629,475.84/461,753.60
  6. Step 6: Final answer
    x = 535,956.04

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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.