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Finding the Fourth Proportional to 353,601.54, 487,970.07 and 192,457.74

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Solution

The fourth proportional to 353,601.54, 487,970.07 and 192,457.74 is: 265,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,601.54 : 487,970.07 = 192,457.74 : x
  2. Step 2: Convert to fraction form
    353,601.54/487,970.07 = 192,457.74/x
  3. Step 3: Cross multiply
    353,601.54x = 487,970.07 × 192,457.74
  4. Step 4: Simplify right side
    353,601.54x = 93,913,616,859.84
  5. Step 5: Solve for x
    x = 93,913,616,859.84/353,601.54
  6. Step 6: Final answer
    x = 265,591.65

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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.