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Finding the Fourth Proportional to 363,162.84, 544,746.68 and 126,510

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Solution

The fourth proportional to 363,162.84, 544,746.68 and 126,510 is: 189,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,162.84 : 544,746.68 = 126,510 : x
  2. Step 2: Convert to fraction form
    363,162.84/544,746.68 = 126,510/x
  3. Step 3: Cross multiply
    363,162.84x = 544,746.68 × 126,510
  4. Step 4: Simplify right side
    363,162.84x = 68,915,902,486.80
  5. Step 5: Solve for x
    x = 68,915,902,486.80/363,162.84
  6. Step 6: Final answer
    x = 189,765.84

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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.