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Finding the Fourth Proportional to 1,452.02, 2,176.86 and 585.50

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Solution

The fourth proportional to 1,452.02, 2,176.86 and 585.50 is: 877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.02 : 2,176.86 = 585.50 : x
  2. Step 2: Convert to fraction form
    1,452.02/2,176.86 = 585.50/x
  3. Step 3: Cross multiply
    1,452.02x = 2,176.86 × 585.50
  4. Step 4: Simplify right side
    1,452.02x = 1,274,551.53
  5. Step 5: Solve for x
    x = 1,274,551.53/1,452.02
  6. Step 6: Final answer
    x = 877.78

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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.