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Finding the Fourth Proportional to 1,562.42, 2,343.36 and 588.35

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Solution

The fourth proportional to 1,562.42, 2,343.36 and 588.35 is: 882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.42 : 2,343.36 = 588.35 : x
  2. Step 2: Convert to fraction form
    1,562.42/2,343.36 = 588.35/x
  3. Step 3: Cross multiply
    1,562.42x = 2,343.36 × 588.35
  4. Step 4: Simplify right side
    1,562.42x = 1,378,715.86
  5. Step 5: Solve for x
    x = 1,378,715.86/1,562.42
  6. Step 6: Final answer
    x = 882.42

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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.