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Finding the Fourth Proportional to 427,841.65, 590,398.07 and 234,211.91

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Solution

The fourth proportional to 427,841.65, 590,398.07 and 234,211.91 is: 323,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,841.65 : 590,398.07 = 234,211.91 : x
  2. Step 2: Convert to fraction form
    427,841.65/590,398.07 = 234,211.91/x
  3. Step 3: Cross multiply
    427,841.65x = 590,398.07 × 234,211.91
  4. Step 4: Simplify right side
    427,841.65x = 138,278,259,635.01
  5. Step 5: Solve for x
    x = 138,278,259,635.01/427,841.65
  6. Step 6: Final answer
    x = 323,199.62

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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.