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Finding the Fourth Proportional to 435,574.92, 652,999.50 and 379,276.68

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Solution

The fourth proportional to 435,574.92, 652,999.50 and 379,276.68 is: 568,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,574.92 : 652,999.50 = 379,276.68 : x
  2. Step 2: Convert to fraction form
    435,574.92/652,999.50 = 379,276.68/x
  3. Step 3: Cross multiply
    435,574.92x = 652,999.50 × 379,276.68
  4. Step 4: Simplify right side
    435,574.92x = 247,667,482,401.66
  5. Step 5: Solve for x
    x = 247,667,482,401.66/435,574.92
  6. Step 6: Final answer
    x = 568,599.04

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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.