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Finding the Fourth Proportional to 373,289.70, 560,007.45 and 148,611.90

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Solution

The fourth proportional to 373,289.70, 560,007.45 and 148,611.90 is: 222,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,289.70 : 560,007.45 = 148,611.90 : x
  2. Step 2: Convert to fraction form
    373,289.70/560,007.45 = 148,611.90/x
  3. Step 3: Cross multiply
    373,289.70x = 560,007.45 × 148,611.90
  4. Step 4: Simplify right side
    373,289.70x = 83,223,771,158.66
  5. Step 5: Solve for x
    x = 83,223,771,158.66/373,289.70
  6. Step 6: Final answer
    x = 222,946.87

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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.