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Finding the Fourth Proportional to 259,296.48, 357,732.72 and 174,278.88

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Solution

The fourth proportional to 259,296.48, 357,732.72 and 174,278.88 is: 240,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,296.48 : 357,732.72 = 174,278.88 : x
  2. Step 2: Convert to fraction form
    259,296.48/357,732.72 = 174,278.88/x
  3. Step 3: Cross multiply
    259,296.48x = 357,732.72 × 174,278.88
  4. Step 4: Simplify right side
    259,296.48x = 62,345,257,780.95
  5. Step 5: Solve for x
    x = 62,345,257,780.95/259,296.48
  6. Step 6: Final answer
    x = 240,440.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.