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Finding the Fourth Proportional to 552,263.87, 827,067.21 and 314,886.89

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Solution

The fourth proportional to 552,263.87, 827,067.21 and 314,886.89 is: 471,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,263.87 : 827,067.21 = 314,886.89 : x
  2. Step 2: Convert to fraction form
    552,263.87/827,067.21 = 314,886.89/x
  3. Step 3: Cross multiply
    552,263.87x = 827,067.21 × 314,886.89
  4. Step 4: Simplify right side
    552,263.87x = 260,432,622,464.72
  5. Step 5: Solve for x
    x = 260,432,622,464.72/552,263.87
  6. Step 6: Final answer
    x = 471,572.80

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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.