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Finding the Fourth Proportional to 373.16, 514.76 and 242.22

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Solution

The fourth proportional to 373.16, 514.76 and 242.22 is: 334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.16 : 514.76 = 242.22 : x
  2. Step 2: Convert to fraction form
    373.16/514.76 = 242.22/x
  3. Step 3: Cross multiply
    373.16x = 514.76 × 242.22
  4. Step 4: Simplify right side
    373.16x = 124,685.17
  5. Step 5: Solve for x
    x = 124,685.17/373.16
  6. Step 6: Final answer
    x = 334.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.