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Finding the Fourth Proportional to 924.74, 1,275 and 574.82

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Solution

The fourth proportional to 924.74, 1,275 and 574.82 is: 792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.74 : 1,275 = 574.82 : x
  2. Step 2: Convert to fraction form
    924.74/1,275 = 574.82/x
  3. Step 3: Cross multiply
    924.74x = 1,275 × 574.82
  4. Step 4: Simplify right side
    924.74x = 732,895.50
  5. Step 5: Solve for x
    x = 732,895.50/924.74
  6. Step 6: Final answer
    x = 792.54

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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.