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Finding the Fourth Proportional to 1,518.48, 2,278.44 and 595.08

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Solution

The fourth proportional to 1,518.48, 2,278.44 and 595.08 is: 892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.48 : 2,278.44 = 595.08 : x
  2. Step 2: Convert to fraction form
    1,518.48/2,278.44 = 595.08/x
  3. Step 3: Cross multiply
    1,518.48x = 2,278.44 × 595.08
  4. Step 4: Simplify right side
    1,518.48x = 1,355,854.08
  5. Step 5: Solve for x
    x = 1,355,854.08/1,518.48
  6. Step 6: Final answer
    x = 892.90

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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.