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Finding the Fourth Proportional to 240,321.60, 360,514.80 and 82,598.40

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Solution

The fourth proportional to 240,321.60, 360,514.80 and 82,598.40 is: 123,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,321.60 : 360,514.80 = 82,598.40 : x
  2. Step 2: Convert to fraction form
    240,321.60/360,514.80 = 82,598.40/x
  3. Step 3: Cross multiply
    240,321.60x = 360,514.80 × 82,598.40
  4. Step 4: Simplify right side
    240,321.60x = 29,777,945,656.32
  5. Step 5: Solve for x
    x = 29,777,945,656.32/240,321.60
  6. Step 6: Final answer
    x = 123,908.74

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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.