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Finding the Fourth Proportional to 516,767.64, 774,817.96 and 246,749.64

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Solution

The fourth proportional to 516,767.64, 774,817.96 and 246,749.64 is: 369,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,767.64 : 774,817.96 = 246,749.64 : x
  2. Step 2: Convert to fraction form
    516,767.64/774,817.96 = 246,749.64/x
  3. Step 3: Cross multiply
    516,767.64x = 774,817.96 × 246,749.64
  4. Step 4: Simplify right side
    516,767.64x = 191,186,052,695.53
  5. Step 5: Solve for x
    x = 191,186,052,695.53/516,767.64
  6. Step 6: Final answer
    x = 369,965.22

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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.