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Finding the Fourth Proportional to 537.64, 740.16 and 463.56

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Solution

The fourth proportional to 537.64, 740.16 and 463.56 is: 638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.64 : 740.16 = 463.56 : x
  2. Step 2: Convert to fraction form
    537.64/740.16 = 463.56/x
  3. Step 3: Cross multiply
    537.64x = 740.16 × 463.56
  4. Step 4: Simplify right side
    537.64x = 343,108.57
  5. Step 5: Solve for x
    x = 343,108.57/537.64
  6. Step 6: Final answer
    x = 638.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.