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Finding the Fourth Proportional to 348,551.80, 522,816.90 and 99,233.80

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Solution

The fourth proportional to 348,551.80, 522,816.90 and 99,233.80 is: 148,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,551.80 : 522,816.90 = 99,233.80 : x
  2. Step 2: Convert to fraction form
    348,551.80/522,816.90 = 99,233.80/x
  3. Step 3: Cross multiply
    348,551.80x = 522,816.90 × 99,233.80
  4. Step 4: Simplify right side
    348,551.80x = 51,881,107,691.22
  5. Step 5: Solve for x
    x = 51,881,107,691.22/348,551.80
  6. Step 6: Final answer
    x = 148,847.63

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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.