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Finding the Fourth Proportional to 873,663.52, 1,206,027.66 and 587,349.67

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Solution

The fourth proportional to 873,663.52, 1,206,027.66 and 587,349.67 is: 810,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,663.52 : 1,206,027.66 = 587,349.67 : x
  2. Step 2: Convert to fraction form
    873,663.52/1,206,027.66 = 587,349.67/x
  3. Step 3: Cross multiply
    873,663.52x = 1,206,027.66 × 587,349.67
  4. Step 4: Simplify right side
    873,663.52x = 708,359,948,111.87
  5. Step 5: Solve for x
    x = 708,359,948,111.87/873,663.52
  6. Step 6: Final answer
    x = 810,792.64

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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.