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Finding the Fourth Proportional to 348,348.80, 480,740.36 and 195,435.42

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Solution

The fourth proportional to 348,348.80, 480,740.36 and 195,435.42 is: 269,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,348.80 : 480,740.36 = 195,435.42 : x
  2. Step 2: Convert to fraction form
    348,348.80/480,740.36 = 195,435.42/x
  3. Step 3: Cross multiply
    348,348.80x = 480,740.36 × 195,435.42
  4. Step 4: Simplify right side
    348,348.80x = 93,953,693,190.37
  5. Step 5: Solve for x
    x = 93,953,693,190.37/348,348.80
  6. Step 6: Final answer
    x = 269,711.55

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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.