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Finding the Fourth Proportional to 369,054, 553,816.44 and 132,391.44

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Solution

The fourth proportional to 369,054, 553,816.44 and 132,391.44 is: 198,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,054 : 553,816.44 = 132,391.44 : x
  2. Step 2: Convert to fraction form
    369,054/553,816.44 = 132,391.44/x
  3. Step 3: Cross multiply
    369,054x = 553,816.44 × 132,391.44
  4. Step 4: Simplify right side
    369,054x = 73,320,555,987.27
  5. Step 5: Solve for x
    x = 73,320,555,987.27/369,054
  6. Step 6: Final answer
    x = 198,671.62

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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.