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Finding the Fourth Proportional to 508,323.15, 761,282.46 and 441,399.56

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Solution

The fourth proportional to 508,323.15, 761,282.46 and 441,399.56 is: 661,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,323.15 : 761,282.46 = 441,399.56 : x
  2. Step 2: Convert to fraction form
    508,323.15/761,282.46 = 441,399.56/x
  3. Step 3: Cross multiply
    508,323.15x = 761,282.46 × 441,399.56
  4. Step 4: Simplify right side
    508,323.15x = 336,029,739,073.31
  5. Step 5: Solve for x
    x = 336,029,739,073.31/508,323.15
  6. Step 6: Final answer
    x = 661,055.35

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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.