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Finding the Fourth Proportional to 1,041.45, 1,436.90 and 593.33

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Solution

The fourth proportional to 1,041.45, 1,436.90 and 593.33 is: 818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.45 : 1,436.90 = 593.33 : x
  2. Step 2: Convert to fraction form
    1,041.45/1,436.90 = 593.33/x
  3. Step 3: Cross multiply
    1,041.45x = 1,436.90 × 593.33
  4. Step 4: Simplify right side
    1,041.45x = 852,555.88
  5. Step 5: Solve for x
    x = 852,555.88/1,041.45
  6. Step 6: Final answer
    x = 818.62

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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.