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Finding the Fourth Proportional to 435,001.67, 652,291.55 and 255,145.87

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Solution

The fourth proportional to 435,001.67, 652,291.55 and 255,145.87 is: 382,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,001.67 : 652,291.55 = 255,145.87 : x
  2. Step 2: Convert to fraction form
    435,001.67/652,291.55 = 255,145.87/x
  3. Step 3: Cross multiply
    435,001.67x = 652,291.55 × 255,145.87
  4. Step 4: Simplify right side
    435,001.67x = 166,429,493,387.67
  5. Step 5: Solve for x
    x = 166,429,493,387.67/435,001.67
  6. Step 6: Final answer
    x = 382,595.07

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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.