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Finding the Fourth Proportional to 313,759.17, 432,839.76 and 227,528.98

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Solution

The fourth proportional to 313,759.17, 432,839.76 and 227,528.98 is: 313,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,759.17 : 432,839.76 = 227,528.98 : x
  2. Step 2: Convert to fraction form
    313,759.17/432,839.76 = 227,528.98/x
  3. Step 3: Cross multiply
    313,759.17x = 432,839.76 × 227,528.98
  4. Step 4: Simplify right side
    313,759.17x = 98,483,587,160.91
  5. Step 5: Solve for x
    x = 98,483,587,160.91/313,759.17
  6. Step 6: Final answer
    x = 313,882.74

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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.