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Finding the Fourth Proportional to 467,553.60, 645,230.88 and 266,345.28

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Solution

The fourth proportional to 467,553.60, 645,230.88 and 266,345.28 is: 367,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,553.60 : 645,230.88 = 266,345.28 : x
  2. Step 2: Convert to fraction form
    467,553.60/645,230.88 = 266,345.28/x
  3. Step 3: Cross multiply
    467,553.60x = 645,230.88 × 266,345.28
  4. Step 4: Simplify right side
    467,553.60x = 171,854,199,398.25
  5. Step 5: Solve for x
    x = 171,854,199,398.25/467,553.60
  6. Step 6: Final answer
    x = 367,560.42

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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.