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Finding the Fourth Proportional to 794.72, 1,096.45 and 463.07

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Solution

The fourth proportional to 794.72, 1,096.45 and 463.07 is: 638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.72 : 1,096.45 = 463.07 : x
  2. Step 2: Convert to fraction form
    794.72/1,096.45 = 463.07/x
  3. Step 3: Cross multiply
    794.72x = 1,096.45 × 463.07
  4. Step 4: Simplify right side
    794.72x = 507,733.10
  5. Step 5: Solve for x
    x = 507,733.10/794.72
  6. Step 6: Final answer
    x = 638.88

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1.5x scale

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.