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Finding the Fourth Proportional to 238,859.46, 358,350.75 and 171,469.62

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Solution

The fourth proportional to 238,859.46, 358,350.75 and 171,469.62 is: 257,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,859.46 : 358,350.75 = 171,469.62 : x
  2. Step 2: Convert to fraction form
    238,859.46/358,350.75 = 171,469.62/x
  3. Step 3: Cross multiply
    238,859.46x = 358,350.75 × 171,469.62
  4. Step 4: Simplify right side
    238,859.46x = 61,446,266,929.22
  5. Step 5: Solve for x
    x = 61,446,266,929.22/238,859.46
  6. Step 6: Final answer
    x = 257,248.62

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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.