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Finding the Fourth Proportional to 348,611.80, 522,917.70 and 124,225.60

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Solution

The fourth proportional to 348,611.80, 522,917.70 and 124,225.60 is: 186,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,611.80 : 522,917.70 = 124,225.60 : x
  2. Step 2: Convert to fraction form
    348,611.80/522,917.70 = 124,225.60/x
  3. Step 3: Cross multiply
    348,611.80x = 522,917.70 × 124,225.60
  4. Step 4: Simplify right side
    348,611.80x = 64,959,765,033.12
  5. Step 5: Solve for x
    x = 64,959,765,033.12/348,611.80
  6. Step 6: Final answer
    x = 186,338.40

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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.