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Finding the Fourth Proportional to 244,431.40, 366,938.70 and 137,900.20

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Solution

The fourth proportional to 244,431.40, 366,938.70 and 137,900.20 is: 207,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,431.40 : 366,938.70 = 137,900.20 : x
  2. Step 2: Convert to fraction form
    244,431.40/366,938.70 = 137,900.20/x
  3. Step 3: Cross multiply
    244,431.40x = 366,938.70 × 137,900.20
  4. Step 4: Simplify right side
    244,431.40x = 50,600,920,117.74
  5. Step 5: Solve for x
    x = 50,600,920,117.74/244,431.40
  6. Step 6: Final answer
    x = 207,014.81

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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.