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Finding the Fourth Proportional to 610,603.20, 842,673.24 and 338,757.48

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Solution

The fourth proportional to 610,603.20, 842,673.24 and 338,757.48 is: 467,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,603.20 : 842,673.24 = 338,757.48 : x
  2. Step 2: Convert to fraction form
    610,603.20/842,673.24 = 338,757.48/x
  3. Step 3: Cross multiply
    610,603.20x = 842,673.24 × 338,757.48
  4. Step 4: Simplify right side
    610,603.20x = 285,461,863,245.84
  5. Step 5: Solve for x
    x = 285,461,863,245.84/610,603.20
  6. Step 6: Final answer
    x = 467,507.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.