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Finding the Fourth Proportional to 965.16, 1,445.28 and 598.83

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Solution

The fourth proportional to 965.16, 1,445.28 and 598.83 is: 896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.16 : 1,445.28 = 598.83 : x
  2. Step 2: Convert to fraction form
    965.16/1,445.28 = 598.83/x
  3. Step 3: Cross multiply
    965.16x = 1,445.28 × 598.83
  4. Step 4: Simplify right side
    965.16x = 865,477.02
  5. Step 5: Solve for x
    x = 865,477.02/965.16
  6. Step 6: Final answer
    x = 896.72

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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.