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Finding the Fourth Proportional to 348,340.88, 480,671.98 and 195,347.59

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Solution

The fourth proportional to 348,340.88, 480,671.98 and 195,347.59 is: 269,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,340.88 : 480,671.98 = 195,347.59 : x
  2. Step 2: Convert to fraction form
    348,340.88/480,671.98 = 195,347.59/x
  3. Step 3: Cross multiply
    348,340.88x = 480,671.98 × 195,347.59
  4. Step 4: Simplify right side
    348,340.88x = 93,898,111,183.48
  5. Step 5: Solve for x
    x = 93,898,111,183.48/348,340.88
  6. Step 6: Final answer
    x = 269,558.12

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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.