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Finding the Fourth Proportional to 1,470.90, 2,205.86 and 593.17

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Solution

The fourth proportional to 1,470.90, 2,205.86 and 593.17 is: 889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.90 : 2,205.86 = 593.17 : x
  2. Step 2: Convert to fraction form
    1,470.90/2,205.86 = 593.17/x
  3. Step 3: Cross multiply
    1,470.90x = 2,205.86 × 593.17
  4. Step 4: Simplify right side
    1,470.90x = 1,308,449.77
  5. Step 5: Solve for x
    x = 1,308,449.77/1,470.90
  6. Step 6: Final answer
    x = 889.56

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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.