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Finding the Fourth Proportional to 435,366.66, 652,798.57 and 168,815.79

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Solution

The fourth proportional to 435,366.66, 652,798.57 and 168,815.79 is: 253,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,366.66 : 652,798.57 = 168,815.79 : x
  2. Step 2: Convert to fraction form
    435,366.66/652,798.57 = 168,815.79/x
  3. Step 3: Cross multiply
    435,366.66x = 652,798.57 × 168,815.79
  4. Step 4: Simplify right side
    435,366.66x = 110,202,706,305.42
  5. Step 5: Solve for x
    x = 110,202,706,305.42/435,366.66
  6. Step 6: Final answer
    x = 253,126.20

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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.