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Finding the Fourth Proportional to 256,054.88, 353,522.18 and 229,151.14

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Solution

The fourth proportional to 256,054.88, 353,522.18 and 229,151.14 is: 316,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,054.88 : 353,522.18 = 229,151.14 : x
  2. Step 2: Convert to fraction form
    256,054.88/353,522.18 = 229,151.14/x
  3. Step 3: Cross multiply
    256,054.88x = 353,522.18 × 229,151.14
  4. Step 4: Simplify right side
    256,054.88x = 81,010,010,562.29
  5. Step 5: Solve for x
    x = 81,010,010,562.29/256,054.88
  6. Step 6: Final answer
    x = 316,377.53

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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.