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Finding the Fourth Proportional to 435,488.01, 652,977.78 and 168,937.06

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Solution

The fourth proportional to 435,488.01, 652,977.78 and 168,937.06 is: 253,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,488.01 : 652,977.78 = 168,937.06 : x
  2. Step 2: Convert to fraction form
    435,488.01/652,977.78 = 168,937.06/x
  3. Step 3: Cross multiply
    435,488.01x = 652,977.78 × 168,937.06
  4. Step 4: Simplify right side
    435,488.01x = 110,312,146,398.53
  5. Step 5: Solve for x
    x = 110,312,146,398.53/435,488.01
  6. Step 6: Final answer
    x = 253,306.96

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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.