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Finding the Fourth Proportional to 348,435.48, 480,811.92 and 195,452.40

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Solution

The fourth proportional to 348,435.48, 480,811.92 and 195,452.40 is: 269,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,435.48 : 480,811.92 = 195,452.40 : x
  2. Step 2: Convert to fraction form
    348,435.48/480,811.92 = 195,452.40/x
  3. Step 3: Cross multiply
    348,435.48x = 480,811.92 × 195,452.40
  4. Step 4: Simplify right side
    348,435.48x = 93,975,843,712.61
  5. Step 5: Solve for x
    x = 93,975,843,712.61/348,435.48
  6. Step 6: Final answer
    x = 269,708.02

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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.