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Finding the Fourth Proportional to 434,564.70, 651,069.45 and 367,691.10

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Solution

The fourth proportional to 434,564.70, 651,069.45 and 367,691.10 is: 550,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,564.70 : 651,069.45 = 367,691.10 : x
  2. Step 2: Convert to fraction form
    434,564.70/651,069.45 = 367,691.10/x
  3. Step 3: Cross multiply
    434,564.70x = 651,069.45 × 367,691.10
  4. Step 4: Simplify right side
    434,564.70x = 239,392,442,246.90
  5. Step 5: Solve for x
    x = 239,392,442,246.90/434,564.70
  6. Step 6: Final answer
    x = 550,878.71

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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.