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Finding the Fourth Proportional to 472,622.70, 709,452.45 and 295,329.90

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Solution

The fourth proportional to 472,622.70, 709,452.45 and 295,329.90 is: 443,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,622.70 : 709,452.45 = 295,329.90 : x
  2. Step 2: Convert to fraction form
    472,622.70/709,452.45 = 295,329.90/x
  3. Step 3: Cross multiply
    472,622.70x = 709,452.45 × 295,329.90
  4. Step 4: Simplify right side
    472,622.70x = 209,522,521,113.26
  5. Step 5: Solve for x
    x = 209,522,521,113.26/472,622.70
  6. Step 6: Final answer
    x = 443,318.78

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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.