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Finding the Fourth Proportional to 1,065.44, 1,470.22 and 593.34

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Solution

The fourth proportional to 1,065.44, 1,470.22 and 593.34 is: 818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.44 : 1,470.22 = 593.34 : x
  2. Step 2: Convert to fraction form
    1,065.44/1,470.22 = 593.34/x
  3. Step 3: Cross multiply
    1,065.44x = 1,470.22 × 593.34
  4. Step 4: Simplify right side
    1,065.44x = 872,333.34
  5. Step 5: Solve for x
    x = 872,333.34/1,065.44
  6. Step 6: Final answer
    x = 818.75

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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.