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Finding the Fourth Proportional to 516,862.44, 774,502.26 and 347,756.32

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Solution

The fourth proportional to 516,862.44, 774,502.26 and 347,756.32 is: 521,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,862.44 : 774,502.26 = 347,756.32 : x
  2. Step 2: Convert to fraction form
    516,862.44/774,502.26 = 347,756.32/x
  3. Step 3: Cross multiply
    516,862.44x = 774,502.26 × 347,756.32
  4. Step 4: Simplify right side
    516,862.44x = 269,338,055,769.28
  5. Step 5: Solve for x
    x = 269,338,055,769.28/516,862.44
  6. Step 6: Final answer
    x = 521,102.01

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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.