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Finding the Fourth Proportional to 436,999.14, 655,498.71 and 156,713.22

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Solution

The fourth proportional to 436,999.14, 655,498.71 and 156,713.22 is: 235,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,999.14 : 655,498.71 = 156,713.22 : x
  2. Step 2: Convert to fraction form
    436,999.14/655,498.71 = 156,713.22/x
  3. Step 3: Cross multiply
    436,999.14x = 655,498.71 × 156,713.22
  4. Step 4: Simplify right side
    436,999.14x = 102,725,313,549.95
  5. Step 5: Solve for x
    x = 102,725,313,549.95/436,999.14
  6. Step 6: Final answer
    x = 235,069.83

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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.