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Finding the Fourth Proportional to 524,382.17, 723,702.90 and 320,552.39

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Solution

The fourth proportional to 524,382.17, 723,702.90 and 320,552.39 is: 442,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,382.17 : 723,702.90 = 320,552.39 : x
  2. Step 2: Convert to fraction form
    524,382.17/723,702.90 = 320,552.39/x
  3. Step 3: Cross multiply
    524,382.17x = 723,702.90 × 320,552.39
  4. Step 4: Simplify right side
    524,382.17x = 231,984,694,244.93
  5. Step 5: Solve for x
    x = 231,984,694,244.93/524,382.17
  6. Step 6: Final answer
    x = 442,396.23

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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.