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Finding the Fourth Proportional to 434,699.70, 652,049.55 and 293,694.90

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Solution

The fourth proportional to 434,699.70, 652,049.55 and 293,694.90 is: 440,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,699.70 : 652,049.55 = 293,694.90 : x
  2. Step 2: Convert to fraction form
    434,699.70/652,049.55 = 293,694.90/x
  3. Step 3: Cross multiply
    434,699.70x = 652,049.55 × 293,694.90
  4. Step 4: Simplify right side
    434,699.70x = 191,503,627,382.30
  5. Step 5: Solve for x
    x = 191,503,627,382.30/434,699.70
  6. Step 6: Final answer
    x = 440,542.35

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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.