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Finding the Fourth Proportional to 471,124.02, 706,417.47 and 321,545.37

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Solution

The fourth proportional to 471,124.02, 706,417.47 and 321,545.37 is: 482,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,124.02 : 706,417.47 = 321,545.37 : x
  2. Step 2: Convert to fraction form
    471,124.02/706,417.47 = 321,545.37/x
  3. Step 3: Cross multiply
    471,124.02x = 706,417.47 × 321,545.37
  4. Step 4: Simplify right side
    471,124.02x = 227,145,266,765.61
  5. Step 5: Solve for x
    x = 227,145,266,765.61/471,124.02
  6. Step 6: Final answer
    x = 482,134.76

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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.