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Finding the Fourth Proportional to 259,775.14, 358,549.46 and 152,379.78

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Solution

The fourth proportional to 259,775.14, 358,549.46 and 152,379.78 is: 210,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,775.14 : 358,549.46 = 152,379.78 : x
  2. Step 2: Convert to fraction form
    259,775.14/358,549.46 = 152,379.78/x
  3. Step 3: Cross multiply
    259,775.14x = 358,549.46 × 152,379.78
  4. Step 4: Simplify right side
    259,775.14x = 54,635,687,833.92
  5. Step 5: Solve for x
    x = 54,635,687,833.92/259,775.14
  6. Step 6: Final answer
    x = 210,319.15

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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.