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Finding the Fourth Proportional to 431,854.47, 595,961.42 and 240,875.91

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Solution

The fourth proportional to 431,854.47, 595,961.42 and 240,875.91 is: 332,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,854.47 : 595,961.42 = 240,875.91 : x
  2. Step 2: Convert to fraction form
    431,854.47/595,961.42 = 240,875.91/x
  3. Step 3: Cross multiply
    431,854.47x = 595,961.42 × 240,875.91
  4. Step 4: Simplify right side
    431,854.47x = 143,552,748,163.01
  5. Step 5: Solve for x
    x = 143,552,748,163.01/431,854.47
  6. Step 6: Final answer
    x = 332,410.01

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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.