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Finding the Fourth Proportional to 473,416.20, 710,124.30 and 136,456.20

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Solution

The fourth proportional to 473,416.20, 710,124.30 and 136,456.20 is: 204,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,416.20 : 710,124.30 = 136,456.20 : x
  2. Step 2: Convert to fraction form
    473,416.20/710,124.30 = 136,456.20/x
  3. Step 3: Cross multiply
    473,416.20x = 710,124.30 × 136,456.20
  4. Step 4: Simplify right side
    473,416.20x = 96,900,863,505.66
  5. Step 5: Solve for x
    x = 96,900,863,505.66/473,416.20
  6. Step 6: Final answer
    x = 204,684.30

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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.