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Finding the Fourth Proportional to 374.69, 562.03 and 100.76

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Solution

The fourth proportional to 374.69, 562.03 and 100.76 is: 151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.69 : 562.03 = 100.76 : x
  2. Step 2: Convert to fraction form
    374.69/562.03 = 100.76/x
  3. Step 3: Cross multiply
    374.69x = 562.03 × 100.76
  4. Step 4: Simplify right side
    374.69x = 56,627.58
  5. Step 5: Solve for x
    x = 56,627.58/374.69
  6. Step 6: Final answer
    x = 151.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.