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Finding the Fourth Proportional to 1,337.60, 2,006.60 and 597.12

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Solution

The fourth proportional to 1,337.60, 2,006.60 and 597.12 is: 895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.60 : 2,006.60 = 597.12 : x
  2. Step 2: Convert to fraction form
    1,337.60/2,006.60 = 597.12/x
  3. Step 3: Cross multiply
    1,337.60x = 2,006.60 × 597.12
  4. Step 4: Simplify right side
    1,337.60x = 1,198,178.01
  5. Step 5: Solve for x
    x = 1,198,178.01/1,337.60
  6. Step 6: Final answer
    x = 895.77

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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.