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Finding the Fourth Proportional to 326,624.24, 450,790.98 and 199,373.78

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Solution

The fourth proportional to 326,624.24, 450,790.98 and 199,373.78 is: 275,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,624.24 : 450,790.98 = 199,373.78 : x
  2. Step 2: Convert to fraction form
    326,624.24/450,790.98 = 199,373.78/x
  3. Step 3: Cross multiply
    326,624.24x = 450,790.98 × 199,373.78
  4. Step 4: Simplify right side
    326,624.24x = 89,875,901,672.50
  5. Step 5: Solve for x
    x = 89,875,901,672.50/326,624.24
  6. Step 6: Final answer
    x = 275,166.05

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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.