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Finding the Fourth Proportional to 922,821.60, 1,384,232.40 and 566,680.80

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Solution

The fourth proportional to 922,821.60, 1,384,232.40 and 566,680.80 is: 850,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,821.60 : 1,384,232.40 = 566,680.80 : x
  2. Step 2: Convert to fraction form
    922,821.60/1,384,232.40 = 566,680.80/x
  3. Step 3: Cross multiply
    922,821.60x = 1,384,232.40 × 566,680.80
  4. Step 4: Simplify right side
    922,821.60x = 784,417,923,817.92
  5. Step 5: Solve for x
    x = 784,417,923,817.92/922,821.60
  6. Step 6: Final answer
    x = 850,021.20

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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.