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Finding the Fourth Proportional to 570,737.96, 856,238.15 and 171,386.29

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Solution

The fourth proportional to 570,737.96, 856,238.15 and 171,386.29 is: 257,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737.96 : 856,238.15 = 171,386.29 : x
  2. Step 2: Convert to fraction form
    570,737.96/856,238.15 = 171,386.29/x
  3. Step 3: Cross multiply
    570,737.96x = 856,238.15 × 171,386.29
  4. Step 4: Simplify right side
    570,737.96x = 146,747,479,884.96
  5. Step 5: Solve for x
    x = 146,747,479,884.96/570,737.96
  6. Step 6: Final answer
    x = 257,118.84

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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.