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Finding the Fourth Proportional to 566,115.62, 780,394.30 and 374,796.86

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Solution

The fourth proportional to 566,115.62, 780,394.30 and 374,796.86 is: 516,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,115.62 : 780,394.30 = 374,796.86 : x
  2. Step 2: Convert to fraction form
    566,115.62/780,394.30 = 374,796.86/x
  3. Step 3: Cross multiply
    566,115.62x = 780,394.30 × 374,796.86
  4. Step 4: Simplify right side
    566,115.62x = 292,489,328,362.93
  5. Step 5: Solve for x
    x = 292,489,328,362.93/566,115.62
  6. Step 6: Final answer
    x = 516,660.06

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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.