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Finding the Fourth Proportional to 526,636.82, 790,037.15 and 171,568.18

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Solution

The fourth proportional to 526,636.82, 790,037.15 and 171,568.18 is: 257,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,636.82 : 790,037.15 = 171,568.18 : x
  2. Step 2: Convert to fraction form
    526,636.82/790,037.15 = 171,568.18/x
  3. Step 3: Cross multiply
    526,636.82x = 790,037.15 × 171,568.18
  4. Step 4: Simplify right side
    526,636.82x = 135,545,235,957.89
  5. Step 5: Solve for x
    x = 135,545,235,957.89/526,636.82
  6. Step 6: Final answer
    x = 257,378.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.