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Finding the Fourth Proportional to 368,323.98, 552,485.98 and 243,635.82

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Solution

The fourth proportional to 368,323.98, 552,485.98 and 243,635.82 is: 365,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,323.98 : 552,485.98 = 243,635.82 : x
  2. Step 2: Convert to fraction form
    368,323.98/552,485.98 = 243,635.82/x
  3. Step 3: Cross multiply
    368,323.98x = 552,485.98 × 243,635.82
  4. Step 4: Simplify right side
    368,323.98x = 134,605,374,775.80
  5. Step 5: Solve for x
    x = 134,605,374,775.80/368,323.98
  6. Step 6: Final answer
    x = 365,453.74

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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.