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Finding the Fourth Proportional to 570,923.74, 856,405.06 and 271,249.66

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Solution

The fourth proportional to 570,923.74, 856,405.06 and 271,249.66 is: 406,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,923.74 : 856,405.06 = 271,249.66 : x
  2. Step 2: Convert to fraction form
    570,923.74/856,405.06 = 271,249.66/x
  3. Step 3: Cross multiply
    570,923.74x = 856,405.06 × 271,249.66
  4. Step 4: Simplify right side
    570,923.74x = 232,299,581,347.28
  5. Step 5: Solve for x
    x = 232,299,581,347.28/570,923.74
  6. Step 6: Final answer
    x = 406,883.73

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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.