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Finding the Fourth Proportional to 373,062.30, 559,593.45 and 260,869.20

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Solution

The fourth proportional to 373,062.30, 559,593.45 and 260,869.20 is: 391,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,062.30 : 559,593.45 = 260,869.20 : x
  2. Step 2: Convert to fraction form
    373,062.30/559,593.45 = 260,869.20/x
  3. Step 3: Cross multiply
    373,062.30x = 559,593.45 × 260,869.20
  4. Step 4: Simplify right side
    373,062.30x = 145,980,695,626.74
  5. Step 5: Solve for x
    x = 145,980,695,626.74/373,062.30
  6. Step 6: Final answer
    x = 391,303.80

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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.