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Finding the Fourth Proportional to 609,560.71, 914,384.88 and 210,195.70

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Solution

The fourth proportional to 609,560.71, 914,384.88 and 210,195.70 is: 315,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,560.71 : 914,384.88 = 210,195.70 : x
  2. Step 2: Convert to fraction form
    609,560.71/914,384.88 = 210,195.70/x
  3. Step 3: Cross multiply
    609,560.71x = 914,384.88 × 210,195.70
  4. Step 4: Simplify right side
    609,560.71x = 192,199,769,921.02
  5. Step 5: Solve for x
    x = 192,199,769,921.02/609,560.71
  6. Step 6: Final answer
    x = 315,308.66

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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.