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Finding the Fourth Proportional to 950,136, 1,311,149.28 and 568,373.76

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Solution

The fourth proportional to 950,136, 1,311,149.28 and 568,373.76 is: 784,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,136 : 1,311,149.28 = 568,373.76 : x
  2. Step 2: Convert to fraction form
    950,136/1,311,149.28 = 568,373.76/x
  3. Step 3: Cross multiply
    950,136x = 1,311,149.28 × 568,373.76
  4. Step 4: Simplify right side
    950,136x = 745,222,846,194.89
  5. Step 5: Solve for x
    x = 745,222,846,194.89/950,136
  6. Step 6: Final answer
    x = 784,332.82

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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.