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Finding the Fourth Proportional to 363,535.54, 545,552.40 and 126,878.22

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Solution

The fourth proportional to 363,535.54, 545,552.40 and 126,878.22 is: 190,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,535.54 : 545,552.40 = 126,878.22 : x
  2. Step 2: Convert to fraction form
    363,535.54/545,552.40 = 126,878.22/x
  3. Step 3: Cross multiply
    363,535.54x = 545,552.40 × 126,878.22
  4. Step 4: Simplify right side
    363,535.54x = 69,218,717,904.52
  5. Step 5: Solve for x
    x = 69,218,717,904.52/363,535.54
  6. Step 6: Final answer
    x = 190,404.27

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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.