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Finding the Fourth Proportional to 311,463.33, 465,488.04 and 227,400.51

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Solution

The fourth proportional to 311,463.33, 465,488.04 and 227,400.51 is: 339,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,463.33 : 465,488.04 = 227,400.51 : x
  2. Step 2: Convert to fraction form
    311,463.33/465,488.04 = 227,400.51/x
  3. Step 3: Cross multiply
    311,463.33x = 465,488.04 × 227,400.51
  4. Step 4: Simplify right side
    311,463.33x = 105,852,220,293.23
  5. Step 5: Solve for x
    x = 105,852,220,293.23/311,463.33
  6. Step 6: Final answer
    x = 339,854.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.