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Finding the Fourth Proportional to 418,167.57, 577,069.74 and 227,179.29

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Solution

The fourth proportional to 418,167.57, 577,069.74 and 227,179.29 is: 313,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,167.57 : 577,069.74 = 227,179.29 : x
  2. Step 2: Convert to fraction form
    418,167.57/577,069.74 = 227,179.29/x
  3. Step 3: Cross multiply
    418,167.57x = 577,069.74 × 227,179.29
  4. Step 4: Simplify right side
    418,167.57x = 131,098,293,813.69
  5. Step 5: Solve for x
    x = 131,098,293,813.69/418,167.57
  6. Step 6: Final answer
    x = 313,506.60

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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.