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Finding the Fourth Proportional to 613,644.93, 920,460.11 and 158,233.77

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Solution

The fourth proportional to 613,644.93, 920,460.11 and 158,233.77 is: 237,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,644.93 : 920,460.11 = 158,233.77 : x
  2. Step 2: Convert to fraction form
    613,644.93/920,460.11 = 158,233.77/x
  3. Step 3: Cross multiply
    613,644.93x = 920,460.11 × 158,233.77
  4. Step 4: Simplify right side
    613,644.93x = 145,647,872,548.75
  5. Step 5: Solve for x
    x = 145,647,872,548.75/613,644.93
  6. Step 6: Final answer
    x = 237,348.78

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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.