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Finding the Fourth Proportional to 335,388.90, 462,902.40 and 192,244.80

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Solution

The fourth proportional to 335,388.90, 462,902.40 and 192,244.80 is: 265,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,388.90 : 462,902.40 = 192,244.80 : x
  2. Step 2: Convert to fraction form
    335,388.90/462,902.40 = 192,244.80/x
  3. Step 3: Cross multiply
    335,388.90x = 462,902.40 × 192,244.80
  4. Step 4: Simplify right side
    335,388.90x = 88,990,579,307.52
  5. Step 5: Solve for x
    x = 88,990,579,307.52/335,388.90
  6. Step 6: Final answer
    x = 265,335.49

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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.