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Finding the Fourth Proportional to 591.47, 888.22 and 560.69

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Solution

The fourth proportional to 591.47, 888.22 and 560.69 is: 841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.47 : 888.22 = 560.69 : x
  2. Step 2: Convert to fraction form
    591.47/888.22 = 560.69/x
  3. Step 3: Cross multiply
    591.47x = 888.22 × 560.69
  4. Step 4: Simplify right side
    591.47x = 498,012.51
  5. Step 5: Solve for x
    x = 498,012.51/591.47
  6. Step 6: Final answer
    x = 841.99

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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.