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Finding the Fourth Proportional to 260,425.98, 359,414.64 and 158,458.86

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Solution

The fourth proportional to 260,425.98, 359,414.64 and 158,458.86 is: 218,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,425.98 : 359,414.64 = 158,458.86 : x
  2. Step 2: Convert to fraction form
    260,425.98/359,414.64 = 158,458.86/x
  3. Step 3: Cross multiply
    260,425.98x = 359,414.64 × 158,458.86
  4. Step 4: Simplify right side
    260,425.98x = 56,952,434,121.71
  5. Step 5: Solve for x
    x = 56,952,434,121.71/260,425.98
  6. Step 6: Final answer
    x = 218,689.53

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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.