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Finding the Fourth Proportional to 353,436.06, 487,736.40 and 192,287.43

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Solution

The fourth proportional to 353,436.06, 487,736.40 and 192,287.43 is: 265,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,436.06 : 487,736.40 = 192,287.43 : x
  2. Step 2: Convert to fraction form
    353,436.06/487,736.40 = 192,287.43/x
  3. Step 3: Cross multiply
    353,436.06x = 487,736.40 × 192,287.43
  4. Step 4: Simplify right side
    353,436.06x = 93,785,578,873.45
  5. Step 5: Solve for x
    x = 93,785,578,873.45/353,436.06
  6. Step 6: Final answer
    x = 265,353.74

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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.