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Finding the Fourth Proportional to 373,457.30, 559,398.23 and 253,587.83

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Solution

The fourth proportional to 373,457.30, 559,398.23 and 253,587.83 is: 379,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,457.30 : 559,398.23 = 253,587.83 : x
  2. Step 2: Convert to fraction form
    373,457.30/559,398.23 = 253,587.83/x
  3. Step 3: Cross multiply
    373,457.30x = 559,398.23 × 253,587.83
  4. Step 4: Simplify right side
    373,457.30x = 141,856,581,983.60
  5. Step 5: Solve for x
    x = 141,856,581,983.60/373,457.30
  6. Step 6: Final answer
    x = 379,846.86

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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.