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Finding the Fourth Proportional to 576,963.30, 865,604.93 and 240,162.60

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Solution

The fourth proportional to 576,963.30, 865,604.93 and 240,162.60 is: 360,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,963.30 : 865,604.93 = 240,162.60 : x
  2. Step 2: Convert to fraction form
    576,963.30/865,604.93 = 240,162.60/x
  3. Step 3: Cross multiply
    576,963.30x = 865,604.93 × 240,162.60
  4. Step 4: Simplify right side
    576,963.30x = 207,885,930,561.62
  5. Step 5: Solve for x
    x = 207,885,930,561.62/576,963.30
  6. Step 6: Final answer
    x = 360,310.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.