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Finding the Fourth Proportional to 571,729.94, 857,502.90 and 166,827.08

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Solution

The fourth proportional to 571,729.94, 857,502.90 and 166,827.08 is: 250,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,729.94 : 857,502.90 = 166,827.08 : x
  2. Step 2: Convert to fraction form
    571,729.94/857,502.90 = 166,827.08/x
  3. Step 3: Cross multiply
    571,729.94x = 857,502.90 × 166,827.08
  4. Step 4: Simplify right side
    571,729.94x = 143,054,700,611.02
  5. Step 5: Solve for x
    x = 143,054,700,611.02/571,729.94
  6. Step 6: Final answer
    x = 250,213.77

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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.