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Finding the Fourth Proportional to 291,737.70, 437,934.60 and 225,471.60

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Solution

The fourth proportional to 291,737.70, 437,934.60 and 225,471.60 is: 338,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,737.70 : 437,934.60 = 225,471.60 : x
  2. Step 2: Convert to fraction form
    291,737.70/437,934.60 = 225,471.60/x
  3. Step 3: Cross multiply
    291,737.70x = 437,934.60 × 225,471.60
  4. Step 4: Simplify right side
    291,737.70x = 98,741,814,957.36
  5. Step 5: Solve for x
    x = 98,741,814,957.36/291,737.70
  6. Step 6: Final answer
    x = 338,460.94

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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.