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Finding the Fourth Proportional to 368,087.82, 552,131.73 and 115,369.63

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Solution

The fourth proportional to 368,087.82, 552,131.73 and 115,369.63 is: 173,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,087.82 : 552,131.73 = 115,369.63 : x
  2. Step 2: Convert to fraction form
    368,087.82/552,131.73 = 115,369.63/x
  3. Step 3: Cross multiply
    368,087.82x = 552,131.73 × 115,369.63
  4. Step 4: Simplify right side
    368,087.82x = 63,699,232,824.51
  5. Step 5: Solve for x
    x = 63,699,232,824.51/368,087.82
  6. Step 6: Final answer
    x = 173,054.45

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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.