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Finding the Fourth Proportional to 576,016.92, 794,941.56 and 321,373.53

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Solution

The fourth proportional to 576,016.92, 794,941.56 and 321,373.53 is: 443,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,016.92 : 794,941.56 = 321,373.53 : x
  2. Step 2: Convert to fraction form
    576,016.92/794,941.56 = 321,373.53/x
  3. Step 3: Cross multiply
    576,016.92x = 794,941.56 × 321,373.53
  4. Step 4: Simplify right side
    576,016.92x = 255,473,175,280.91
  5. Step 5: Solve for x
    x = 255,473,175,280.91/576,016.92
  6. Step 6: Final answer
    x = 443,516.79

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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.