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Finding the Fourth Proportional to 423,655.62, 584,388.02 and 251,460.14

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Solution

The fourth proportional to 423,655.62, 584,388.02 and 251,460.14 is: 346,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,655.62 : 584,388.02 = 251,460.14 : x
  2. Step 2: Convert to fraction form
    423,655.62/584,388.02 = 251,460.14/x
  3. Step 3: Cross multiply
    423,655.62x = 584,388.02 × 251,460.14
  4. Step 4: Simplify right side
    423,655.62x = 146,950,293,323.52
  5. Step 5: Solve for x
    x = 146,950,293,323.52/423,655.62
  6. Step 6: Final answer
    x = 346,862.61

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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.