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Finding the Fourth Proportional to 922,688.40, 1,384,032.60 and 798,272.40

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Solution

The fourth proportional to 922,688.40, 1,384,032.60 and 798,272.40 is: 1,197,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,688.40 : 1,384,032.60 = 798,272.40 : x
  2. Step 2: Convert to fraction form
    922,688.40/1,384,032.60 = 798,272.40/x
  3. Step 3: Cross multiply
    922,688.40x = 1,384,032.60 × 798,272.40
  4. Step 4: Simplify right side
    922,688.40x = 1,104,835,025,280.24
  5. Step 5: Solve for x
    x = 1,104,835,025,280.24/922,688.40
  6. Step 6: Final answer
    x = 1,197,408.60

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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.