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Finding the Fourth Proportional to 324,854.06, 448,353.96 and 188,966.80

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Solution

The fourth proportional to 324,854.06, 448,353.96 and 188,966.80 is: 260,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,854.06 : 448,353.96 = 188,966.80 : x
  2. Step 2: Convert to fraction form
    324,854.06/448,353.96 = 188,966.80/x
  3. Step 3: Cross multiply
    324,854.06x = 448,353.96 × 188,966.80
  4. Step 4: Simplify right side
    324,854.06x = 84,724,010,846.76
  5. Step 5: Solve for x
    x = 84,724,010,846.76/324,854.06
  6. Step 6: Final answer
    x = 260,806.38

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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.