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Finding the Fourth Proportional to 527,948.41, 792,158.05 and 243,486

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Solution

The fourth proportional to 527,948.41, 792,158.05 and 243,486 is: 365,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,948.41 : 792,158.05 = 243,486 : x
  2. Step 2: Convert to fraction form
    527,948.41/792,158.05 = 243,486/x
  3. Step 3: Cross multiply
    527,948.41x = 792,158.05 × 243,486
  4. Step 4: Simplify right side
    527,948.41x = 192,879,395,951.46
  5. Step 5: Solve for x
    x = 192,879,395,951.46/527,948.41
  6. Step 6: Final answer
    x = 365,337.59

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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.