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Finding the Fourth Proportional to 296.98, 444.64 and 152.39

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Solution

The fourth proportional to 296.98, 444.64 and 152.39 is: 228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.98 : 444.64 = 152.39 : x
  2. Step 2: Convert to fraction form
    296.98/444.64 = 152.39/x
  3. Step 3: Cross multiply
    296.98x = 444.64 × 152.39
  4. Step 4: Simplify right side
    296.98x = 67,758.69
  5. Step 5: Solve for x
    x = 67,758.69/296.98
  6. Step 6: Final answer
    x = 228.16

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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.