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Finding the Fourth Proportional to 587,221.56, 880,827.48 and 348,986.52

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Solution

The fourth proportional to 587,221.56, 880,827.48 and 348,986.52 is: 523,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,221.56 : 880,827.48 = 348,986.52 : x
  2. Step 2: Convert to fraction form
    587,221.56/880,827.48 = 348,986.52/x
  3. Step 3: Cross multiply
    587,221.56x = 880,827.48 × 348,986.52
  4. Step 4: Simplify right side
    587,221.56x = 307,396,916,965.57
  5. Step 5: Solve for x
    x = 307,396,916,965.57/587,221.56
  6. Step 6: Final answer
    x = 523,476.89

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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.