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Finding the Fourth Proportional to 484,402.60, 726,603.90 and 332,187.40

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Solution

The fourth proportional to 484,402.60, 726,603.90 and 332,187.40 is: 498,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,402.60 : 726,603.90 = 332,187.40 : x
  2. Step 2: Convert to fraction form
    484,402.60/726,603.90 = 332,187.40/x
  3. Step 3: Cross multiply
    484,402.60x = 726,603.90 × 332,187.40
  4. Step 4: Simplify right side
    484,402.60x = 241,368,660,370.86
  5. Step 5: Solve for x
    x = 241,368,660,370.86/484,402.60
  6. Step 6: Final answer
    x = 498,281.10

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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.