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Finding the Fourth Proportional to 1,041.48, 1,437.18 and 593.30

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Solution

The fourth proportional to 1,041.48, 1,437.18 and 593.30 is: 818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.48 : 1,437.18 = 593.30 : x
  2. Step 2: Convert to fraction form
    1,041.48/1,437.18 = 593.30/x
  3. Step 3: Cross multiply
    1,041.48x = 1,437.18 × 593.30
  4. Step 4: Simplify right side
    1,041.48x = 852,673.01
  5. Step 5: Solve for x
    x = 852,673.01/1,041.48
  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.