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Finding the Fourth Proportional to 253,785, 350,218.67 and 150,488.69

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Solution

The fourth proportional to 253,785, 350,218.67 and 150,488.69 is: 207,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,785 : 350,218.67 = 150,488.69 : x
  2. Step 2: Convert to fraction form
    253,785/350,218.67 = 150,488.69/x
  3. Step 3: Cross multiply
    253,785x = 350,218.67 × 150,488.69
  4. Step 4: Simplify right side
    253,785x = 52,703,950,113.61
  5. Step 5: Solve for x
    x = 52,703,950,113.61/253,785
  6. Step 6: Final answer
    x = 207,671.65

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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.