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Finding the Fourth Proportional to 353,588.27, 487,963.78 and 192,449.16

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Solution

The fourth proportional to 353,588.27, 487,963.78 and 192,449.16 is: 265,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,588.27 : 487,963.78 = 192,449.16 : x
  2. Step 2: Convert to fraction form
    353,588.27/487,963.78 = 192,449.16/x
  3. Step 3: Cross multiply
    353,588.27x = 487,963.78 × 192,449.16
  4. Step 4: Simplify right side
    353,588.27x = 93,908,219,090.30
  5. Step 5: Solve for x
    x = 93,908,219,090.30/353,588.27
  6. Step 6: Final answer
    x = 265,586.36

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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.