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Finding the Fourth Proportional to 363,843.18, 545,823.09 and 153,512.10

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Solution

The fourth proportional to 363,843.18, 545,823.09 and 153,512.10 is: 230,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,843.18 : 545,823.09 = 153,512.10 : x
  2. Step 2: Convert to fraction form
    363,843.18/545,823.09 = 153,512.10/x
  3. Step 3: Cross multiply
    363,843.18x = 545,823.09 × 153,512.10
  4. Step 4: Simplify right side
    363,843.18x = 83,790,448,774.39
  5. Step 5: Solve for x
    x = 83,790,448,774.39/363,843.18
  6. Step 6: Final answer
    x = 230,292.76

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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.