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Finding the Fourth Proportional to 873,663.54, 1,206,027.66 and 587,349.66

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Solution

The fourth proportional to 873,663.54, 1,206,027.66 and 587,349.66 is: 810,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,663.54 : 1,206,027.66 = 587,349.66 : x
  2. Step 2: Convert to fraction form
    873,663.54/1,206,027.66 = 587,349.66/x
  3. Step 3: Cross multiply
    873,663.54x = 1,206,027.66 × 587,349.66
  4. Step 4: Simplify right side
    873,663.54x = 708,359,936,051.60
  5. Step 5: Solve for x
    x = 708,359,936,051.60/873,663.54
  6. Step 6: Final answer
    x = 810,792.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.