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Finding the Fourth Proportional to 292.04, 437.68 and 154.80

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Solution

The fourth proportional to 292.04, 437.68 and 154.80 is: 232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.04 : 437.68 = 154.80 : x
  2. Step 2: Convert to fraction form
    292.04/437.68 = 154.80/x
  3. Step 3: Cross multiply
    292.04x = 437.68 × 154.80
  4. Step 4: Simplify right side
    292.04x = 67,752.86
  5. Step 5: Solve for x
    x = 67,752.86/292.04
  6. Step 6: Final answer
    x = 232.00

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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.