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Finding the Fourth Proportional to 1,599.17, 2,397.77 and 624.13

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Solution

The fourth proportional to 1,599.17, 2,397.77 and 624.13 is: 935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.17 : 2,397.77 = 624.13 : x
  2. Step 2: Convert to fraction form
    1,599.17/2,397.77 = 624.13/x
  3. Step 3: Cross multiply
    1,599.17x = 2,397.77 × 624.13
  4. Step 4: Simplify right side
    1,599.17x = 1,496,505.08
  5. Step 5: Solve for x
    x = 1,496,505.08/1,599.17
  6. Step 6: Final answer
    x = 935.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.