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Finding the Fourth Proportional to 510,843.01, 766,439.57 and 195,390.13

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Solution

The fourth proportional to 510,843.01, 766,439.57 and 195,390.13 is: 293,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,843.01 : 766,439.57 = 195,390.13 : x
  2. Step 2: Convert to fraction form
    510,843.01/766,439.57 = 195,390.13/x
  3. Step 3: Cross multiply
    510,843.01x = 766,439.57 × 195,390.13
  4. Step 4: Simplify right side
    510,843.01x = 149,754,726,242.49
  5. Step 5: Solve for x
    x = 149,754,726,242.49/510,843.01
  6. Step 6: Final answer
    x = 293,152.15

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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.