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Finding the Fourth Proportional to 472,872.20, 709,308.30 and 224,040.20

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Solution

The fourth proportional to 472,872.20, 709,308.30 and 224,040.20 is: 336,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,872.20 : 709,308.30 = 224,040.20 : x
  2. Step 2: Convert to fraction form
    472,872.20/709,308.30 = 224,040.20/x
  3. Step 3: Cross multiply
    472,872.20x = 709,308.30 × 224,040.20
  4. Step 4: Simplify right side
    472,872.20x = 158,913,573,393.66
  5. Step 5: Solve for x
    x = 158,913,573,393.66/472,872.20
  6. Step 6: Final answer
    x = 336,060.30

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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.