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Finding the Fourth Proportional to 368,317.48, 552,476.22 and 243,629.32

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Solution

The fourth proportional to 368,317.48, 552,476.22 and 243,629.32 is: 365,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,317.48 : 552,476.22 = 243,629.32 : x
  2. Step 2: Convert to fraction form
    368,317.48/552,476.22 = 243,629.32/x
  3. Step 3: Cross multiply
    368,317.48x = 552,476.22 × 243,629.32
  4. Step 4: Simplify right side
    368,317.48x = 134,599,405,794.77
  5. Step 5: Solve for x
    x = 134,599,405,794.77/368,317.48
  6. Step 6: Final answer
    x = 365,443.98

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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.