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Finding the Fourth Proportional to 527,251.65, 790,344.87 and 207,627.81

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Solution

The fourth proportional to 527,251.65, 790,344.87 and 207,627.81 is: 311,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.65 : 790,344.87 = 207,627.81 : x
  2. Step 2: Convert to fraction form
    527,251.65/790,344.87 = 207,627.81/x
  3. Step 3: Cross multiply
    527,251.65x = 790,344.87 × 207,627.81
  4. Step 4: Simplify right side
    527,251.65x = 164,097,574,502.84
  5. Step 5: Solve for x
    x = 164,097,574,502.84/527,251.65
  6. Step 6: Final answer
    x = 311,231.98

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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.