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Finding the Fourth Proportional to 751.10, 1,125.16 and 588.02

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Solution

The fourth proportional to 751.10, 1,125.16 and 588.02 is: 880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.10 : 1,125.16 = 588.02 : x
  2. Step 2: Convert to fraction form
    751.10/1,125.16 = 588.02/x
  3. Step 3: Cross multiply
    751.10x = 1,125.16 × 588.02
  4. Step 4: Simplify right side
    751.10x = 661,616.58
  5. Step 5: Solve for x
    x = 661,616.58/751.10
  6. Step 6: Final answer
    x = 880.86

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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.