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Finding the Fourth Proportional to 387,283.92, 581,153.25 and 162,627.06

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Solution

The fourth proportional to 387,283.92, 581,153.25 and 162,627.06 is: 244,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,283.92 : 581,153.25 = 162,627.06 : x
  2. Step 2: Convert to fraction form
    387,283.92/581,153.25 = 162,627.06/x
  3. Step 3: Cross multiply
    387,283.92x = 581,153.25 × 162,627.06
  4. Step 4: Simplify right side
    387,283.92x = 94,511,244,456.95
  5. Step 5: Solve for x
    x = 94,511,244,456.95/387,283.92
  6. Step 6: Final answer
    x = 244,036.07

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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.