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Finding the Fourth Proportional to 357,161.94, 492,883.08 and 196,017.40

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Solution

The fourth proportional to 357,161.94, 492,883.08 and 196,017.40 is: 270,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,161.94 : 492,883.08 = 196,017.40 : x
  2. Step 2: Convert to fraction form
    357,161.94/492,883.08 = 196,017.40/x
  3. Step 3: Cross multiply
    357,161.94x = 492,883.08 × 196,017.40
  4. Step 4: Simplify right side
    357,161.94x = 96,613,659,726.63
  5. Step 5: Solve for x
    x = 96,613,659,726.63/357,161.94
  6. Step 6: Final answer
    x = 270,503.79

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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.