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Finding the Fourth Proportional to 423,666.53, 635,358.68 and 170,881.73

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Solution

The fourth proportional to 423,666.53, 635,358.68 and 170,881.73 is: 256,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,666.53 : 635,358.68 = 170,881.73 : x
  2. Step 2: Convert to fraction form
    423,666.53/635,358.68 = 170,881.73/x
  3. Step 3: Cross multiply
    423,666.53x = 635,358.68 × 170,881.73
  4. Step 4: Simplify right side
    423,666.53x = 108,571,189,554.51
  5. Step 5: Solve for x
    x = 108,571,189,554.51/423,666.53
  6. Step 6: Final answer
    x = 256,265.68

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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.