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Finding the Fourth Proportional to 353,468.54, 487,788.69 and 192,324.71

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Solution

The fourth proportional to 353,468.54, 487,788.69 and 192,324.71 is: 265,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,468.54 : 487,788.69 = 192,324.71 : x
  2. Step 2: Convert to fraction form
    353,468.54/487,788.69 = 192,324.71/x
  3. Step 3: Cross multiply
    353,468.54x = 487,788.69 × 192,324.71
  4. Step 4: Simplify right side
    353,468.54x = 93,813,818,345.53
  5. Step 5: Solve for x
    x = 93,813,818,345.53/353,468.54
  6. Step 6: Final answer
    x = 265,409.25

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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.