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Finding the Fourth Proportional to 922,906.40, 1,384,359.60 and 834,332.90

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Solution

The fourth proportional to 922,906.40, 1,384,359.60 and 834,332.90 is: 1,251,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,906.40 : 1,384,359.60 = 834,332.90 : x
  2. Step 2: Convert to fraction form
    922,906.40/1,384,359.60 = 834,332.90/x
  3. Step 3: Cross multiply
    922,906.40x = 1,384,359.60 × 834,332.90
  4. Step 4: Simplify right side
    922,906.40x = 1,155,016,759,710.84
  5. Step 5: Solve for x
    x = 1,155,016,759,710.84/922,906.40
  6. Step 6: Final answer
    x = 1,251,499.35

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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.