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Finding the Fourth Proportional to 1,006.21, 1,508.68 and 595.23

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Solution

The fourth proportional to 1,006.21, 1,508.68 and 595.23 is: 892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.21 : 1,508.68 = 595.23 : x
  2. Step 2: Convert to fraction form
    1,006.21/1,508.68 = 595.23/x
  3. Step 3: Cross multiply
    1,006.21x = 1,508.68 × 595.23
  4. Step 4: Simplify right side
    1,006.21x = 898,011.60
  5. Step 5: Solve for x
    x = 898,011.60/1,006.21
  6. Step 6: Final answer
    x = 892.47

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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.