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Finding the Fourth Proportional to 418,626.63, 577,687.14 and 237,350.76

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Solution

The fourth proportional to 418,626.63, 577,687.14 and 237,350.76 is: 327,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,626.63 : 577,687.14 = 237,350.76 : x
  2. Step 2: Convert to fraction form
    418,626.63/577,687.14 = 237,350.76/x
  3. Step 3: Cross multiply
    418,626.63x = 577,687.14 × 237,350.76
  4. Step 4: Simplify right side
    418,626.63x = 137,114,479,554.90
  5. Step 5: Solve for x
    x = 137,114,479,554.90/418,626.63
  6. Step 6: Final answer
    x = 327,534.06

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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.