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Finding the Fourth Proportional to 653,645.91, 980,525.34 and 180,331.27

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Solution

The fourth proportional to 653,645.91, 980,525.34 and 180,331.27 is: 270,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,645.91 : 980,525.34 = 180,331.27 : x
  2. Step 2: Convert to fraction form
    653,645.91/980,525.34 = 180,331.27/x
  3. Step 3: Cross multiply
    653,645.91x = 980,525.34 × 180,331.27
  4. Step 4: Simplify right side
    653,645.91x = 176,819,379,829.38
  5. Step 5: Solve for x
    x = 176,819,379,829.38/653,645.91
  6. Step 6: Final answer
    x = 270,512.49

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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.