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Finding the Fourth Proportional to 353,264.39, 487,508.58 and 192,119.39

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Solution

The fourth proportional to 353,264.39, 487,508.58 and 192,119.39 is: 265,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,264.39 : 487,508.58 = 192,119.39 : x
  2. Step 2: Convert to fraction form
    353,264.39/487,508.58 = 192,119.39/x
  3. Step 3: Cross multiply
    353,264.39x = 487,508.58 × 192,119.39
  4. Step 4: Simplify right side
    353,264.39x = 93,659,851,009.37
  5. Step 5: Solve for x
    x = 93,659,851,009.37/353,264.39
  6. Step 6: Final answer
    x = 265,126.79

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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.