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Finding the Fourth Proportional to 406,552.53, 561,027.36 and 234,477.71

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Solution

The fourth proportional to 406,552.53, 561,027.36 and 234,477.71 is: 323,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,552.53 : 561,027.36 = 234,477.71 : x
  2. Step 2: Convert to fraction form
    406,552.53/561,027.36 = 234,477.71/x
  3. Step 3: Cross multiply
    406,552.53x = 561,027.36 × 234,477.71
  4. Step 4: Simplify right side
    406,552.53x = 131,548,410,798.15
  5. Step 5: Solve for x
    x = 131,548,410,798.15/406,552.53
  6. Step 6: Final answer
    x = 323,570.51

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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.