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Finding the Fourth Proportional to 259,978.57, 358,777.79 and 146,818.33

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Solution

The fourth proportional to 259,978.57, 358,777.79 and 146,818.33 is: 202,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,978.57 : 358,777.79 = 146,818.33 : x
  2. Step 2: Convert to fraction form
    259,978.57/358,777.79 = 146,818.33/x
  3. Step 3: Cross multiply
    259,978.57x = 358,777.79 × 146,818.33
  4. Step 4: Simplify right side
    259,978.57x = 52,675,155,234.80
  5. Step 5: Solve for x
    x = 52,675,155,234.80/259,978.57
  6. Step 6: Final answer
    x = 202,613.45

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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.