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Finding the Fourth Proportional to 348,001.60, 522,002.40 and 195,786.40

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Solution

The fourth proportional to 348,001.60, 522,002.40 and 195,786.40 is: 293,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001.60 : 522,002.40 = 195,786.40 : x
  2. Step 2: Convert to fraction form
    348,001.60/522,002.40 = 195,786.40/x
  3. Step 3: Cross multiply
    348,001.60x = 522,002.40 × 195,786.40
  4. Step 4: Simplify right side
    348,001.60x = 102,200,970,687.36
  5. Step 5: Solve for x
    x = 102,200,970,687.36/348,001.60
  6. Step 6: Final answer
    x = 293,679.60

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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.