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Finding the Fourth Proportional to 558,215.60, 837,517.80 and 242,898.80

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Solution

The fourth proportional to 558,215.60, 837,517.80 and 242,898.80 is: 364,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,215.60 : 837,517.80 = 242,898.80 : x
  2. Step 2: Convert to fraction form
    558,215.60/837,517.80 = 242,898.80/x
  3. Step 3: Cross multiply
    558,215.60x = 837,517.80 × 242,898.80
  4. Step 4: Simplify right side
    558,215.60x = 203,432,068,598.64
  5. Step 5: Solve for x
    x = 203,432,068,598.64/558,215.60
  6. Step 6: Final answer
    x = 364,432.79

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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.