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Finding the Fourth Proportional to 570,906.24, 856,378.80 and 271,232.16

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Solution

The fourth proportional to 570,906.24, 856,378.80 and 271,232.16 is: 406,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,906.24 : 856,378.80 = 271,232.16 : x
  2. Step 2: Convert to fraction form
    570,906.24/856,378.80 = 271,232.16/x
  3. Step 3: Cross multiply
    570,906.24x = 856,378.80 × 271,232.16
  4. Step 4: Simplify right side
    570,906.24x = 232,277,471,702.21
  5. Step 5: Solve for x
    x = 232,277,471,702.21/570,906.24
  6. Step 6: Final answer
    x = 406,857.48

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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.