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Finding the Fourth Proportional to 373,266.70, 559,900.05 and 306,781.90

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Solution

The fourth proportional to 373,266.70, 559,900.05 and 306,781.90 is: 460,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,266.70 : 559,900.05 = 306,781.90 : x
  2. Step 2: Convert to fraction form
    373,266.70/559,900.05 = 306,781.90/x
  3. Step 3: Cross multiply
    373,266.70x = 559,900.05 × 306,781.90
  4. Step 4: Simplify right side
    373,266.70x = 171,767,201,149.10
  5. Step 5: Solve for x
    x = 171,767,201,149.10/373,266.70
  6. Step 6: Final answer
    x = 460,172.85

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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.