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Finding the Fourth Proportional to 888,861.16, 1,226,619.21 and 480,954.01

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Solution

The fourth proportional to 888,861.16, 1,226,619.21 and 480,954.01 is: 663,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,861.16 : 1,226,619.21 = 480,954.01 : x
  2. Step 2: Convert to fraction form
    888,861.16/1,226,619.21 = 480,954.01/x
  3. Step 3: Cross multiply
    888,861.16x = 1,226,619.21 × 480,954.01
  4. Step 4: Simplify right side
    888,861.16x = 589,947,427,792.53
  5. Step 5: Solve for x
    x = 589,947,427,792.53/888,861.16
  6. Step 6: Final answer
    x = 663,711.56

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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.