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Finding the Fourth Proportional to 527,614.16, 791,436.02 and 328,509.68

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Solution

The fourth proportional to 527,614.16, 791,436.02 and 328,509.68 is: 492,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,614.16 : 791,436.02 = 328,509.68 : x
  2. Step 2: Convert to fraction form
    527,614.16/791,436.02 = 328,509.68/x
  3. Step 3: Cross multiply
    527,614.16x = 791,436.02 × 328,509.68
  4. Step 4: Simplify right side
    527,614.16x = 259,994,388,070.95
  5. Step 5: Solve for x
    x = 259,994,388,070.95/527,614.16
  6. Step 6: Final answer
    x = 492,773.72

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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.