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Finding the Fourth Proportional to 259,397.93, 357,865.94 and 157,385.93

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Solution

The fourth proportional to 259,397.93, 357,865.94 and 157,385.93 is: 217,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,397.93 : 357,865.94 = 157,385.93 : x
  2. Step 2: Convert to fraction form
    259,397.93/357,865.94 = 157,385.93/x
  3. Step 3: Cross multiply
    259,397.93x = 357,865.94 × 157,385.93
  4. Step 4: Simplify right side
    259,397.93x = 56,323,061,205.96
  5. Step 5: Solve for x
    x = 56,323,061,205.96/259,397.93
  6. Step 6: Final answer
    x = 217,129.96

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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.