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Finding the Fourth Proportional to 794.32, 1,095.76 and 514.48

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Solution

The fourth proportional to 794.32, 1,095.76 and 514.48 is: 709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.32 : 1,095.76 = 514.48 : x
  2. Step 2: Convert to fraction form
    794.32/1,095.76 = 514.48/x
  3. Step 3: Cross multiply
    794.32x = 1,095.76 × 514.48
  4. Step 4: Simplify right side
    794.32x = 563,746.60
  5. Step 5: Solve for x
    x = 563,746.60/794.32
  6. Step 6: Final answer
    x = 709.72

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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.