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Finding the Fourth Proportional to 373,902.76, 560,928.10 and 137,247.49

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Solution

The fourth proportional to 373,902.76, 560,928.10 and 137,247.49 is: 205,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902.76 : 560,928.10 = 137,247.49 : x
  2. Step 2: Convert to fraction form
    373,902.76/560,928.10 = 137,247.49/x
  3. Step 3: Cross multiply
    373,902.76x = 560,928.10 × 137,247.49
  4. Step 4: Simplify right side
    373,902.76x = 76,985,973,795.47
  5. Step 5: Solve for x
    x = 76,985,973,795.47/373,902.76
  6. Step 6: Final answer
    x = 205,898.38

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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.