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Finding the Fourth Proportional to 554,153.34, 764,221.41 and 349,849.29

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Solution

The fourth proportional to 554,153.34, 764,221.41 and 349,849.29 is: 482,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,153.34 : 764,221.41 = 349,849.29 : x
  2. Step 2: Convert to fraction form
    554,153.34/764,221.41 = 349,849.29/x
  3. Step 3: Cross multiply
    554,153.34x = 764,221.41 × 349,849.29
  4. Step 4: Simplify right side
    554,153.34x = 267,362,317,691.30
  5. Step 5: Solve for x
    x = 267,362,317,691.30/554,153.34
  6. Step 6: Final answer
    x = 482,469.92

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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.