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Finding the Fourth Proportional to 435,480.64, 652,966.72 and 168,929.69

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Solution

The fourth proportional to 435,480.64, 652,966.72 and 168,929.69 is: 253,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480.64 : 652,966.72 = 168,929.69 : x
  2. Step 2: Convert to fraction form
    435,480.64/652,966.72 = 168,929.69/x
  3. Step 3: Cross multiply
    435,480.64x = 652,966.72 × 168,929.69
  4. Step 4: Simplify right side
    435,480.64x = 110,305,461,902.76
  5. Step 5: Solve for x
    x = 110,305,461,902.76/435,480.64
  6. Step 6: Final answer
    x = 253,295.90

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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.