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Finding the Fourth Proportional to 369,232.80, 553,805.28 and 119,914.56

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Solution

The fourth proportional to 369,232.80, 553,805.28 and 119,914.56 is: 179,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,232.80 : 553,805.28 = 119,914.56 : x
  2. Step 2: Convert to fraction form
    369,232.80/553,805.28 = 119,914.56/x
  3. Step 3: Cross multiply
    369,232.80x = 553,805.28 × 119,914.56
  4. Step 4: Simplify right side
    369,232.80x = 66,409,316,476.88
  5. Step 5: Solve for x
    x = 66,409,316,476.88/369,232.80
  6. Step 6: Final answer
    x = 179,857.58

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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.