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Finding the Fourth Proportional to 348,347.30, 480,738.29 and 195,433.92

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Solution

The fourth proportional to 348,347.30, 480,738.29 and 195,433.92 is: 269,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,347.30 : 480,738.29 = 195,433.92 : x
  2. Step 2: Convert to fraction form
    348,347.30/480,738.29 = 195,433.92/x
  3. Step 3: Cross multiply
    348,347.30x = 480,738.29 × 195,433.92
  4. Step 4: Simplify right side
    348,347.30x = 93,952,567,531.63
  5. Step 5: Solve for x
    x = 93,952,567,531.63/348,347.30
  6. Step 6: Final answer
    x = 269,709.48

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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.