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Finding the Fourth Proportional to 407,247.32, 562,331.49 and 254,463.50

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Solution

The fourth proportional to 407,247.32, 562,331.49 and 254,463.50 is: 351,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,247.32 : 562,331.49 = 254,463.50 : x
  2. Step 2: Convert to fraction form
    407,247.32/562,331.49 = 254,463.50/x
  3. Step 3: Cross multiply
    407,247.32x = 562,331.49 × 254,463.50
  4. Step 4: Simplify right side
    407,247.32x = 143,092,839,105.62
  5. Step 5: Solve for x
    x = 143,092,839,105.62/407,247.32
  6. Step 6: Final answer
    x = 351,365.94

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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.