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Finding the Fourth Proportional to 407,113.44, 561,838.32 and 237,337.44

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Solution

The fourth proportional to 407,113.44, 561,838.32 and 237,337.44 is: 327,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,113.44 : 561,838.32 = 237,337.44 : x
  2. Step 2: Convert to fraction form
    407,113.44/561,838.32 = 237,337.44/x
  3. Step 3: Cross multiply
    407,113.44x = 561,838.32 × 237,337.44
  4. Step 4: Simplify right side
    407,113.44x = 133,345,268,562.70
  5. Step 5: Solve for x
    x = 133,345,268,562.70/407,113.44
  6. Step 6: Final answer
    x = 327,538.36

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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.