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Finding the Fourth Proportional to 1,034.99, 1,428.48 and 593.18

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Solution

The fourth proportional to 1,034.99, 1,428.48 and 593.18 is: 818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.99 : 1,428.48 = 593.18 : x
  2. Step 2: Convert to fraction form
    1,034.99/1,428.48 = 593.18/x
  3. Step 3: Cross multiply
    1,034.99x = 1,428.48 × 593.18
  4. Step 4: Simplify right side
    1,034.99x = 847,349.34
  5. Step 5: Solve for x
    x = 847,349.34/1,034.99
  6. Step 6: Final answer
    x = 818.71

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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.