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Finding the Fourth Proportional to 368,316.54, 552,252.60 and 140,627.03

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Solution

The fourth proportional to 368,316.54, 552,252.60 and 140,627.03 is: 210,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,316.54 : 552,252.60 = 140,627.03 : x
  2. Step 2: Convert to fraction form
    368,316.54/552,252.60 = 140,627.03/x
  3. Step 3: Cross multiply
    368,316.54x = 552,252.60 × 140,627.03
  4. Step 4: Simplify right side
    368,316.54x = 77,661,640,186.52
  5. Step 5: Solve for x
    x = 77,661,640,186.52/368,316.54
  6. Step 6: Final answer
    x = 210,855.70

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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.