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Finding the Fourth Proportional to 269,888.77, 404,833.67 and 70,208.83

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Solution

The fourth proportional to 269,888.77, 404,833.67 and 70,208.83 is: 105,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,888.77 : 404,833.67 = 70,208.83 : x
  2. Step 2: Convert to fraction form
    269,888.77/404,833.67 = 70,208.83/x
  3. Step 3: Cross multiply
    269,888.77x = 404,833.67 × 70,208.83
  4. Step 4: Simplify right side
    269,888.77x = 28,422,899,215.70
  5. Step 5: Solve for x
    x = 28,422,899,215.70/269,888.77
  6. Step 6: Final answer
    x = 105,313.38

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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.