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Finding the Fourth Proportional to 389,548.41, 537,585.86 and 244,360.31

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Solution

The fourth proportional to 389,548.41, 537,585.86 and 244,360.31 is: 337,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,548.41 : 537,585.86 = 244,360.31 : x
  2. Step 2: Convert to fraction form
    389,548.41/537,585.86 = 244,360.31/x
  3. Step 3: Cross multiply
    389,548.41x = 537,585.86 × 244,360.31
  4. Step 4: Simplify right side
    389,548.41x = 131,364,648,327.18
  5. Step 5: Solve for x
    x = 131,364,648,327.18/389,548.41
  6. Step 6: Final answer
    x = 337,222.91

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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.