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Finding the Fourth Proportional to 527,254.65, 790,349.37 and 207,630.81

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Solution

The fourth proportional to 527,254.65, 790,349.37 and 207,630.81 is: 311,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,254.65 : 790,349.37 = 207,630.81 : x
  2. Step 2: Convert to fraction form
    527,254.65/790,349.37 = 207,630.81/x
  3. Step 3: Cross multiply
    527,254.65x = 790,349.37 × 207,630.81
  4. Step 4: Simplify right side
    527,254.65x = 164,100,879,876.09
  5. Step 5: Solve for x
    x = 164,100,879,876.09/527,254.65
  6. Step 6: Final answer
    x = 311,236.48

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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.