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Finding the Fourth Proportional to 400,507.29, 552,859.50 and 262,738.74

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Solution

The fourth proportional to 400,507.29, 552,859.50 and 262,738.74 is: 362,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,507.29 : 552,859.50 = 262,738.74 : x
  2. Step 2: Convert to fraction form
    400,507.29/552,859.50 = 262,738.74/x
  3. Step 3: Cross multiply
    400,507.29x = 552,859.50 × 262,738.74
  4. Step 4: Simplify right side
    400,507.29x = 145,257,608,427.03
  5. Step 5: Solve for x
    x = 145,257,608,427.03/400,507.29
  6. Step 6: Final answer
    x = 362,684.06

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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.