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Finding the Fourth Proportional to 293,224.30, 439,872.66 and 103,645.57

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Solution

The fourth proportional to 293,224.30, 439,872.66 and 103,645.57 is: 155,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,224.30 : 439,872.66 = 103,645.57 : x
  2. Step 2: Convert to fraction form
    293,224.30/439,872.66 = 103,645.57/x
  3. Step 3: Cross multiply
    293,224.30x = 439,872.66 × 103,645.57
  4. Step 4: Simplify right side
    293,224.30x = 45,590,852,573.12
  5. Step 5: Solve for x
    x = 45,590,852,573.12/293,224.30
  6. Step 6: Final answer
    x = 155,481.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.