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Finding the Fourth Proportional to 353,498.60, 487,823.96 and 192,350.87

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Solution

The fourth proportional to 353,498.60, 487,823.96 and 192,350.87 is: 265,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,498.60 : 487,823.96 = 192,350.87 : x
  2. Step 2: Convert to fraction form
    353,498.60/487,823.96 = 192,350.87/x
  3. Step 3: Cross multiply
    353,498.60x = 487,823.96 × 192,350.87
  4. Step 4: Simplify right side
    353,498.60x = 93,833,362,151.09
  5. Step 5: Solve for x
    x = 93,833,362,151.09/353,498.60
  6. Step 6: Final answer
    x = 265,441.97

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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.