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Finding the Fourth Proportional to 238,169.58, 357,341.61 and 171,684.78

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Solution

The fourth proportional to 238,169.58, 357,341.61 and 171,684.78 is: 257,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,169.58 : 357,341.61 = 171,684.78 : x
  2. Step 2: Convert to fraction form
    238,169.58/357,341.61 = 171,684.78/x
  3. Step 3: Cross multiply
    238,169.58x = 357,341.61 × 171,684.78
  4. Step 4: Simplify right side
    238,169.58x = 61,350,115,697.70
  5. Step 5: Solve for x
    x = 61,350,115,697.70/238,169.58
  6. Step 6: Final answer
    x = 257,590.06

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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.