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Finding the Fourth Proportional to 552,362.32, 827,968.92 and 374,883.76

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Solution

The fourth proportional to 552,362.32, 827,968.92 and 374,883.76 is: 561,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,362.32 : 827,968.92 = 374,883.76 : x
  2. Step 2: Convert to fraction form
    552,362.32/827,968.92 = 374,883.76/x
  3. Step 3: Cross multiply
    552,362.32x = 827,968.92 × 374,883.76
  4. Step 4: Simplify right side
    552,362.32x = 310,392,101,892.74
  5. Step 5: Solve for x
    x = 310,392,101,892.74/552,362.32
  6. Step 6: Final answer
    x = 561,935.69

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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.