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Finding the Fourth Proportional to 373,903.01, 560,928.48 and 137,247.74

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Solution

The fourth proportional to 373,903.01, 560,928.48 and 137,247.74 is: 205,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,903.01 : 560,928.48 = 137,247.74 : x
  2. Step 2: Convert to fraction form
    373,903.01/560,928.48 = 137,247.74/x
  3. Step 3: Cross multiply
    373,903.01x = 560,928.48 × 137,247.74
  4. Step 4: Simplify right side
    373,903.01x = 76,986,163,376.99
  5. Step 5: Solve for x
    x = 76,986,163,376.99/373,903.01
  6. Step 6: Final answer
    x = 205,898.76

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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.