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Finding the Fourth Proportional to 527,266.76, 790,564.92 and 447,332.27

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Solution

The fourth proportional to 527,266.76, 790,564.92 and 447,332.27 is: 670,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,266.76 : 790,564.92 = 447,332.27 : x
  2. Step 2: Convert to fraction form
    527,266.76/790,564.92 = 447,332.27/x
  3. Step 3: Cross multiply
    527,266.76x = 790,564.92 × 447,332.27
  4. Step 4: Simplify right side
    527,266.76x = 353,645,200,245.97
  5. Step 5: Solve for x
    x = 353,645,200,245.97/527,266.76
  6. Step 6: Final answer
    x = 670,714.00

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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.