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Finding the Fourth Proportional to 653,767.48, 980,577.78 and 180,520.12

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Solution

The fourth proportional to 653,767.48, 980,577.78 and 180,520.12 is: 270,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,767.48 : 980,577.78 = 180,520.12 : x
  2. Step 2: Convert to fraction form
    653,767.48/980,577.78 = 180,520.12/x
  3. Step 3: Cross multiply
    653,767.48x = 980,577.78 × 180,520.12
  4. Step 4: Simplify right side
    653,767.48x = 177,014,018,514.93
  5. Step 5: Solve for x
    x = 177,014,018,514.93/653,767.48
  6. Step 6: Final answer
    x = 270,759.90

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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.