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Finding the Fourth Proportional to 362,615.90, 544,039.05 and 162,859.10

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Solution

The fourth proportional to 362,615.90, 544,039.05 and 162,859.10 is: 244,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,615.90 : 544,039.05 = 162,859.10 : x
  2. Step 2: Convert to fraction form
    362,615.90/544,039.05 = 162,859.10/x
  3. Step 3: Cross multiply
    362,615.90x = 544,039.05 × 162,859.10
  4. Step 4: Simplify right side
    362,615.90x = 88,601,710,047.86
  5. Step 5: Solve for x
    x = 88,601,710,047.86/362,615.90
  6. Step 6: Final answer
    x = 244,340.39

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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.