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Finding the Fourth Proportional to 353,562.51, 487,906.92 and 192,414.12

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Solution

The fourth proportional to 353,562.51, 487,906.92 and 192,414.12 is: 265,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,562.51 : 487,906.92 = 192,414.12 : x
  2. Step 2: Convert to fraction form
    353,562.51/487,906.92 = 192,414.12/x
  3. Step 3: Cross multiply
    353,562.51x = 487,906.92 × 192,414.12
  4. Step 4: Simplify right side
    353,562.51x = 93,880,180,653.71
  5. Step 5: Solve for x
    x = 93,880,180,653.71/353,562.51
  6. Step 6: Final answer
    x = 265,526.40

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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.