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Finding the Fourth Proportional to 683,902.80, 1,027,603.80 and 606,920.40

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Solution

The fourth proportional to 683,902.80, 1,027,603.80 and 606,920.40 is: 911,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,902.80 : 1,027,603.80 = 606,920.40 : x
  2. Step 2: Convert to fraction form
    683,902.80/1,027,603.80 = 606,920.40/x
  3. Step 3: Cross multiply
    683,902.80x = 1,027,603.80 × 606,920.40
  4. Step 4: Simplify right side
    683,902.80x = 623,673,709,337.52
  5. Step 5: Solve for x
    x = 623,673,709,337.52/683,902.80
  6. Step 6: Final answer
    x = 911,933.26

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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.