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Finding the Fourth Proportional to 475,280.44, 711,148.92 and 469,965.76

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Solution

The fourth proportional to 475,280.44, 711,148.92 and 469,965.76 is: 703,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,280.44 : 711,148.92 = 469,965.76 : x
  2. Step 2: Convert to fraction form
    475,280.44/711,148.92 = 469,965.76/x
  3. Step 3: Cross multiply
    475,280.44x = 711,148.92 × 469,965.76
  4. Step 4: Simplify right side
    475,280.44x = 334,215,642,660.98
  5. Step 5: Solve for x
    x = 334,215,642,660.98/475,280.44
  6. Step 6: Final answer
    x = 703,196.71

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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.