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Finding the Fourth Proportional to 374.93, 562.47 and 114.95

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Solution

The fourth proportional to 374.93, 562.47 and 114.95 is: 172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.93 : 562.47 = 114.95 : x
  2. Step 2: Convert to fraction form
    374.93/562.47 = 114.95/x
  3. Step 3: Cross multiply
    374.93x = 562.47 × 114.95
  4. Step 4: Simplify right side
    374.93x = 64,655.93
  5. Step 5: Solve for x
    x = 64,655.93/374.93
  6. Step 6: Final answer
    x = 172.45

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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.