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Finding the Fourth Proportional to 373,358.64, 559,812.72 and 148,753.80

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Solution

The fourth proportional to 373,358.64, 559,812.72 and 148,753.80 is: 223,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,358.64 : 559,812.72 = 148,753.80 : x
  2. Step 2: Convert to fraction form
    373,358.64/559,812.72 = 148,753.80/x
  3. Step 3: Cross multiply
    373,358.64x = 559,812.72 × 148,753.80
  4. Step 4: Simplify right side
    373,358.64x = 83,274,269,388.34
  5. Step 5: Solve for x
    x = 83,274,269,388.34/373,358.64
  6. Step 6: Final answer
    x = 223,040.96

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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.