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Finding the Fourth Proportional to 335,390.90, 462,905.16 and 192,246.80

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Solution

The fourth proportional to 335,390.90, 462,905.16 and 192,246.80 is: 265,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,390.90 : 462,905.16 = 192,246.80 : x
  2. Step 2: Convert to fraction form
    335,390.90/462,905.16 = 192,246.80/x
  3. Step 3: Cross multiply
    335,390.90x = 462,905.16 × 192,246.80
  4. Step 4: Simplify right side
    335,390.90x = 88,992,035,713.49
  5. Step 5: Solve for x
    x = 88,992,035,713.49/335,390.90
  6. Step 6: Final answer
    x = 265,338.25

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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.