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Finding the Fourth Proportional to 423,576.83, 635,373.44 and 167,402.58

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Solution

The fourth proportional to 423,576.83, 635,373.44 and 167,402.58 is: 251,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,576.83 : 635,373.44 = 167,402.58 : x
  2. Step 2: Convert to fraction form
    423,576.83/635,373.44 = 167,402.58/x
  3. Step 3: Cross multiply
    423,576.83x = 635,373.44 × 167,402.58
  4. Step 4: Simplify right side
    423,576.83x = 106,363,152,282.46
  5. Step 5: Solve for x
    x = 106,363,152,282.46/423,576.83
  6. Step 6: Final answer
    x = 251,107.11

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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.