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Finding the Fourth Proportional to 587,146.70, 880,715.37 and 348,911.66

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Solution

The fourth proportional to 587,146.70, 880,715.37 and 348,911.66 is: 523,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,146.70 : 880,715.37 = 348,911.66 : x
  2. Step 2: Convert to fraction form
    587,146.70/880,715.37 = 348,911.66/x
  3. Step 3: Cross multiply
    587,146.70x = 880,715.37 × 348,911.66
  4. Step 4: Simplify right side
    587,146.70x = 307,291,861,734.21
  5. Step 5: Solve for x
    x = 307,291,861,734.21/587,146.70
  6. Step 6: Final answer
    x = 523,364.71

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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.