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Finding the Fourth Proportional to 353,523.48, 487,872.59 and 192,388.74

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Solution

The fourth proportional to 353,523.48, 487,872.59 and 192,388.74 is: 265,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,523.48 : 487,872.59 = 192,388.74 : x
  2. Step 2: Convert to fraction form
    353,523.48/487,872.59 = 192,388.74/x
  3. Step 3: Cross multiply
    353,523.48x = 487,872.59 × 192,388.74
  4. Step 4: Simplify right side
    353,523.48x = 93,861,192,823.45
  5. Step 5: Solve for x
    x = 93,861,192,823.45/353,523.48
  6. Step 6: Final answer
    x = 265,502.00

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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.