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Finding the Fourth Proportional to 524,084.40, 723,266.16 and 396,538.56

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Solution

The fourth proportional to 524,084.40, 723,266.16 and 396,538.56 is: 547,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,084.40 : 723,266.16 = 396,538.56 : x
  2. Step 2: Convert to fraction form
    524,084.40/723,266.16 = 396,538.56/x
  3. Step 3: Cross multiply
    524,084.40x = 723,266.16 × 396,538.56
  4. Step 4: Simplify right side
    524,084.40x = 286,802,921,583.13
  5. Step 5: Solve for x
    x = 286,802,921,583.13/524,084.40
  6. Step 6: Final answer
    x = 547,245.68

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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.