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Finding the Fourth Proportional to 922,710.12, 1,383,400.92 and 566,989.20

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Solution

The fourth proportional to 922,710.12, 1,383,400.92 and 566,989.20 is: 850,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,710.12 : 1,383,400.92 = 566,989.20 : x
  2. Step 2: Convert to fraction form
    922,710.12/1,383,400.92 = 566,989.20/x
  3. Step 3: Cross multiply
    922,710.12x = 1,383,400.92 × 566,989.20
  4. Step 4: Simplify right side
    922,710.12x = 784,373,380,910.06
  5. Step 5: Solve for x
    x = 784,373,380,910.06/922,710.12
  6. Step 6: Final answer
    x = 850,075.62

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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.