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Finding the Fourth Proportional to 888,858.66, 1,226,615.76 and 480,951.51

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Solution

The fourth proportional to 888,858.66, 1,226,615.76 and 480,951.51 is: 663,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,858.66 : 1,226,615.76 = 480,951.51 : x
  2. Step 2: Convert to fraction form
    888,858.66/1,226,615.76 = 480,951.51/x
  3. Step 3: Cross multiply
    888,858.66x = 1,226,615.76 × 480,951.51
  4. Step 4: Simplify right side
    888,858.66x = 589,942,701,961.80
  5. Step 5: Solve for x
    x = 589,942,701,961.80/888,858.66
  6. Step 6: Final answer
    x = 663,708.11

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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.