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Finding the Fourth Proportional to 671,091.92, 926,093.12 and 365,174.36

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Solution

The fourth proportional to 671,091.92, 926,093.12 and 365,174.36 is: 503,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,091.92 : 926,093.12 = 365,174.36 : x
  2. Step 2: Convert to fraction form
    671,091.92/926,093.12 = 365,174.36/x
  3. Step 3: Cross multiply
    671,091.92x = 926,093.12 × 365,174.36
  4. Step 4: Simplify right side
    671,091.92x = 338,185,455,940.07
  5. Step 5: Solve for x
    x = 338,185,455,940.07/671,091.92
  6. Step 6: Final answer
    x = 503,933.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.