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Finding the Fourth Proportional to 674.04, 1,010.50 and 587.16

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Solution

The fourth proportional to 674.04, 1,010.50 and 587.16 is: 880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.04 : 1,010.50 = 587.16 : x
  2. Step 2: Convert to fraction form
    674.04/1,010.50 = 587.16/x
  3. Step 3: Cross multiply
    674.04x = 1,010.50 × 587.16
  4. Step 4: Simplify right side
    674.04x = 593,325.18
  5. Step 5: Solve for x
    x = 593,325.18/674.04
  6. Step 6: Final answer
    x = 880.25

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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.