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Finding the Fourth Proportional to 444,501.78, 666,955.08 and 188,404.55

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Solution

The fourth proportional to 444,501.78, 666,955.08 and 188,404.55 is: 282,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,501.78 : 666,955.08 = 188,404.55 : x
  2. Step 2: Convert to fraction form
    444,501.78/666,955.08 = 188,404.55/x
  3. Step 3: Cross multiply
    444,501.78x = 666,955.08 × 188,404.55
  4. Step 4: Simplify right side
    444,501.78x = 125,657,368,382.84
  5. Step 5: Solve for x
    x = 125,657,368,382.84/444,501.78
  6. Step 6: Final answer
    x = 282,692.61

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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.