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Finding the Fourth Proportional to 566,325.47, 781,353.22 and 321,269.89

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Solution

The fourth proportional to 566,325.47, 781,353.22 and 321,269.89 is: 443,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,325.47 : 781,353.22 = 321,269.89 : x
  2. Step 2: Convert to fraction form
    566,325.47/781,353.22 = 321,269.89/x
  3. Step 3: Cross multiply
    566,325.47x = 781,353.22 × 321,269.89
  4. Step 4: Simplify right side
    566,325.47x = 251,025,261,434.20
  5. Step 5: Solve for x
    x = 251,025,261,434.20/566,325.47
  6. Step 6: Final answer
    x = 443,252.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.