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Finding the Fourth Proportional to 409,265.20, 613,897.80 and 373,835.80

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Solution

The fourth proportional to 409,265.20, 613,897.80 and 373,835.80 is: 560,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,265.20 : 613,897.80 = 373,835.80 : x
  2. Step 2: Convert to fraction form
    409,265.20/613,897.80 = 373,835.80/x
  3. Step 3: Cross multiply
    409,265.20x = 613,897.80 × 373,835.80
  4. Step 4: Simplify right side
    409,265.20x = 229,496,975,181.24
  5. Step 5: Solve for x
    x = 229,496,975,181.24/409,265.20
  6. Step 6: Final answer
    x = 560,753.70

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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.