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Finding the Fourth Proportional to 732,514.80, 1,098,901.80 and 259,474.80

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Solution

The fourth proportional to 732,514.80, 1,098,901.80 and 259,474.80 is: 389,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,514.80 : 1,098,901.80 = 259,474.80 : x
  2. Step 2: Convert to fraction form
    732,514.80/1,098,901.80 = 259,474.80/x
  3. Step 3: Cross multiply
    732,514.80x = 1,098,901.80 × 259,474.80
  4. Step 4: Simplify right side
    732,514.80x = 285,137,324,774.64
  5. Step 5: Solve for x
    x = 285,137,324,774.64/732,514.80
  6. Step 6: Final answer
    x = 389,258.11

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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.