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Finding the Fourth Proportional to 223,123.80, 333,713.70 and 199,601.40

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Solution

The fourth proportional to 223,123.80, 333,713.70 and 199,601.40 is: 298,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,123.80 : 333,713.70 = 199,601.40 : x
  2. Step 2: Convert to fraction form
    223,123.80/333,713.70 = 199,601.40/x
  3. Step 3: Cross multiply
    223,123.80x = 333,713.70 × 199,601.40
  4. Step 4: Simplify right side
    223,123.80x = 66,609,721,719.18
  5. Step 5: Solve for x
    x = 66,609,721,719.18/223,123.80
  6. Step 6: Final answer
    x = 298,532.57

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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.