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Finding the Fourth Proportional to 423,656.64, 584,389.41 and 251,461.14

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Solution

The fourth proportional to 423,656.64, 584,389.41 and 251,461.14 is: 346,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,656.64 : 584,389.41 = 251,461.14 : x
  2. Step 2: Convert to fraction form
    423,656.64/584,389.41 = 251,461.14/x
  3. Step 3: Cross multiply
    423,656.64x = 584,389.41 × 251,461.14
  4. Step 4: Simplify right side
    423,656.64x = 146,951,227,242.53
  5. Step 5: Solve for x
    x = 146,951,227,242.53/423,656.64
  6. Step 6: Final answer
    x = 346,863.98

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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.