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Finding the Fourth Proportional to 564,879.52, 847,320.09 and 397,150.12

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Solution

The fourth proportional to 564,879.52, 847,320.09 and 397,150.12 is: 595,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,879.52 : 847,320.09 = 397,150.12 : x
  2. Step 2: Convert to fraction form
    564,879.52/847,320.09 = 397,150.12/x
  3. Step 3: Cross multiply
    564,879.52x = 847,320.09 × 397,150.12
  4. Step 4: Simplify right side
    564,879.52x = 336,513,275,421.91
  5. Step 5: Solve for x
    x = 336,513,275,421.91/564,879.52
  6. Step 6: Final answer
    x = 595,725.75

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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.