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Finding the Fourth Proportional to 924.35, 1,275.95 and 574.97

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Solution

The fourth proportional to 924.35, 1,275.95 and 574.97 is: 793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.35 : 1,275.95 = 574.97 : x
  2. Step 2: Convert to fraction form
    924.35/1,275.95 = 574.97/x
  3. Step 3: Cross multiply
    924.35x = 1,275.95 × 574.97
  4. Step 4: Simplify right side
    924.35x = 733,630.66
  5. Step 5: Solve for x
    x = 733,630.66/924.35
  6. Step 6: Final answer
    x = 793.67

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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.