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Finding the Fourth Proportional to 362,640.48, 544,019.04 and 152,338.56

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Solution

The fourth proportional to 362,640.48, 544,019.04 and 152,338.56 is: 228,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,640.48 : 544,019.04 = 152,338.56 : x
  2. Step 2: Convert to fraction form
    362,640.48/544,019.04 = 152,338.56/x
  3. Step 3: Cross multiply
    362,640.48x = 544,019.04 × 152,338.56
  4. Step 4: Simplify right side
    362,640.48x = 82,875,077,166.18
  5. Step 5: Solve for x
    x = 82,875,077,166.18/362,640.48
  6. Step 6: Final answer
    x = 228,532.34

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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.