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Finding the Fourth Proportional to 924.77, 1,387.11 and 377

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Solution

The fourth proportional to 924.77, 1,387.11 and 377 is: 565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.77 : 1,387.11 = 377 : x
  2. Step 2: Convert to fraction form
    924.77/1,387.11 = 377/x
  3. Step 3: Cross multiply
    924.77x = 1,387.11 × 377
  4. Step 4: Simplify right side
    924.77x = 522,940.47
  5. Step 5: Solve for x
    x = 522,940.47/924.77
  6. Step 6: Final answer
    x = 565.48

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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.