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Finding the Fourth Proportional to 962.64, 1,444.20 and 475.92

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Solution

The fourth proportional to 962.64, 1,444.20 and 475.92 is: 714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.64 : 1,444.20 = 475.92 : x
  2. Step 2: Convert to fraction form
    962.64/1,444.20 = 475.92/x
  3. Step 3: Cross multiply
    962.64x = 1,444.20 × 475.92
  4. Step 4: Simplify right side
    962.64x = 687,323.66
  5. Step 5: Solve for x
    x = 687,323.66/962.64
  6. Step 6: Final answer
    x = 714.00

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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.