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Finding the Fourth Proportional to 922,023.40, 1,383,035.10 and 866,036.20

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Solution

The fourth proportional to 922,023.40, 1,383,035.10 and 866,036.20 is: 1,299,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,023.40 : 1,383,035.10 = 866,036.20 : x
  2. Step 2: Convert to fraction form
    922,023.40/1,383,035.10 = 866,036.20/x
  3. Step 3: Cross multiply
    922,023.40x = 1,383,035.10 × 866,036.20
  4. Step 4: Simplify right side
    922,023.40x = 1,197,758,462,470.62
  5. Step 5: Solve for x
    x = 1,197,758,462,470.62/922,023.40
  6. Step 6: Final answer
    x = 1,299,054.30

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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.