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Finding the Fourth Proportional to 407,638.97, 608,713.41 and 332,907.37

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Solution

The fourth proportional to 407,638.97, 608,713.41 and 332,907.37 is: 497,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,638.97 : 608,713.41 = 332,907.37 : x
  2. Step 2: Convert to fraction form
    407,638.97/608,713.41 = 332,907.37/x
  3. Step 3: Cross multiply
    407,638.97x = 608,713.41 × 332,907.37
  4. Step 4: Simplify right side
    407,638.97x = 202,645,180,406.83
  5. Step 5: Solve for x
    x = 202,645,180,406.83/407,638.97
  6. Step 6: Final answer
    x = 497,119.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.