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Finding the Fourth Proportional to 975.72, 1,463.56 and 590.16

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Solution

The fourth proportional to 975.72, 1,463.56 and 590.16 is: 885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.72 : 1,463.56 = 590.16 : x
  2. Step 2: Convert to fraction form
    975.72/1,463.56 = 590.16/x
  3. Step 3: Cross multiply
    975.72x = 1,463.56 × 590.16
  4. Step 4: Simplify right side
    975.72x = 863,734.57
  5. Step 5: Solve for x
    x = 863,734.57/975.72
  6. Step 6: Final answer
    x = 885.23

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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.