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Finding the Fourth Proportional to 472,854.20, 709,281.30 and 224,022.20

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Solution

The fourth proportional to 472,854.20, 709,281.30 and 224,022.20 is: 336,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,854.20 : 709,281.30 = 224,022.20 : x
  2. Step 2: Convert to fraction form
    472,854.20/709,281.30 = 224,022.20/x
  3. Step 3: Cross multiply
    472,854.20x = 709,281.30 × 224,022.20
  4. Step 4: Simplify right side
    472,854.20x = 158,894,757,244.86
  5. Step 5: Solve for x
    x = 158,894,757,244.86/472,854.20
  6. Step 6: Final answer
    x = 336,033.30

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Similar ratio
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1.5x scale

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.