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Finding the Fourth Proportional to 587,145.70, 880,713.87 and 348,910.66

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Solution

The fourth proportional to 587,145.70, 880,713.87 and 348,910.66 is: 523,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,145.70 : 880,713.87 = 348,910.66 : x
  2. Step 2: Convert to fraction form
    587,145.70/880,713.87 = 348,910.66/x
  3. Step 3: Cross multiply
    587,145.70x = 880,713.87 × 348,910.66
  4. Step 4: Simplify right side
    587,145.70x = 307,290,457,652.85
  5. Step 5: Solve for x
    x = 307,290,457,652.85/587,145.70
  6. Step 6: Final answer
    x = 523,363.21

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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.