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Finding the Fourth Proportional to 472,617.20, 709,444.20 and 295,324.40

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Solution

The fourth proportional to 472,617.20, 709,444.20 and 295,324.40 is: 443,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,617.20 : 709,444.20 = 295,324.40 : x
  2. Step 2: Convert to fraction form
    472,617.20/709,444.20 = 295,324.40/x
  3. Step 3: Cross multiply
    472,617.20x = 709,444.20 × 295,324.40
  4. Step 4: Simplify right side
    472,617.20x = 209,516,182,698.48
  5. Step 5: Solve for x
    x = 209,516,182,698.48/472,617.20
  6. Step 6: Final answer
    x = 443,310.53

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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.