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Finding the Fourth Proportional to 1,598.79, 2,398.19 and 503.27

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Solution

The fourth proportional to 1,598.79, 2,398.19 and 503.27 is: 754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.79 : 2,398.19 = 503.27 : x
  2. Step 2: Convert to fraction form
    1,598.79/2,398.19 = 503.27/x
  3. Step 3: Cross multiply
    1,598.79x = 2,398.19 × 503.27
  4. Step 4: Simplify right side
    1,598.79x = 1,206,937.08
  5. Step 5: Solve for x
    x = 1,206,937.08/1,598.79
  6. Step 6: Final answer
    x = 754.91

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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.