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Finding the Fourth Proportional to 368,320.98, 552,481.48 and 243,632.82

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Solution

The fourth proportional to 368,320.98, 552,481.48 and 243,632.82 is: 365,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,320.98 : 552,481.48 = 243,632.82 : x
  2. Step 2: Convert to fraction form
    368,320.98/552,481.48 = 243,632.82/x
  3. Step 3: Cross multiply
    368,320.98x = 552,481.48 × 243,632.82
  4. Step 4: Simplify right side
    368,320.98x = 134,602,620,970.17
  5. Step 5: Solve for x
    x = 134,602,620,970.17/368,320.98
  6. Step 6: Final answer
    x = 365,449.24

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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.