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Finding the Fourth Proportional to 315,480.70, 473,221.05 and 93,864.70

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Solution

The fourth proportional to 315,480.70, 473,221.05 and 93,864.70 is: 140,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,480.70 : 473,221.05 = 93,864.70 : x
  2. Step 2: Convert to fraction form
    315,480.70/473,221.05 = 93,864.70/x
  3. Step 3: Cross multiply
    315,480.70x = 473,221.05 × 93,864.70
  4. Step 4: Simplify right side
    315,480.70x = 44,418,751,891.94
  5. Step 5: Solve for x
    x = 44,418,751,891.94/315,480.70
  6. Step 6: Final answer
    x = 140,797.05

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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.