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Finding the Fourth Proportional to 667,306.56, 920,588.16 and 524,481.72

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Solution

The fourth proportional to 667,306.56, 920,588.16 and 524,481.72 is: 723,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,306.56 : 920,588.16 = 524,481.72 : x
  2. Step 2: Convert to fraction form
    667,306.56/920,588.16 = 524,481.72/x
  3. Step 3: Cross multiply
    667,306.56x = 920,588.16 × 524,481.72
  4. Step 4: Simplify right side
    667,306.56x = 482,831,661,568.44
  5. Step 5: Solve for x
    x = 482,831,661,568.44/667,306.56
  6. Step 6: Final answer
    x = 723,553.00

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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.