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Finding the Fourth Proportional to 368,407.58, 552,416.09 and 226,317.87

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Solution

The fourth proportional to 368,407.58, 552,416.09 and 226,317.87 is: 339,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,407.58 : 552,416.09 = 226,317.87 : x
  2. Step 2: Convert to fraction form
    368,407.58/552,416.09 = 226,317.87/x
  3. Step 3: Cross multiply
    368,407.58x = 552,416.09 × 226,317.87
  4. Step 4: Simplify right side
    368,407.58x = 125,021,631,710.94
  5. Step 5: Solve for x
    x = 125,021,631,710.94/368,407.58
  6. Step 6: Final answer
    x = 339,356.84

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1.5x scale

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.