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Finding the Fourth Proportional to 1,598.99, 2,398.10 and 503.35

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Solution

The fourth proportional to 1,598.99, 2,398.10 and 503.35 is: 754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.99 : 2,398.10 = 503.35 : x
  2. Step 2: Convert to fraction form
    1,598.99/2,398.10 = 503.35/x
  3. Step 3: Cross multiply
    1,598.99x = 2,398.10 × 503.35
  4. Step 4: Simplify right side
    1,598.99x = 1,207,086.12
  5. Step 5: Solve for x
    x = 1,207,086.12/1,598.99
  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.