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Finding the Fourth Proportional to 962.40, 1,444.92 and 598.68

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Solution

The fourth proportional to 962.40, 1,444.92 and 598.68 is: 898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.40 : 1,444.92 = 598.68 : x
  2. Step 2: Convert to fraction form
    962.40/1,444.92 = 598.68/x
  3. Step 3: Cross multiply
    962.40x = 1,444.92 × 598.68
  4. Step 4: Simplify right side
    962.40x = 865,044.71
  5. Step 5: Solve for x
    x = 865,044.71/962.40
  6. Step 6: Final answer
    x = 898.84

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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.