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Finding the Fourth Proportional to 570,834.49, 856,253.76 and 191,744.38

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Solution

The fourth proportional to 570,834.49, 856,253.76 and 191,744.38 is: 287,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,834.49 : 856,253.76 = 191,744.38 : x
  2. Step 2: Convert to fraction form
    570,834.49/856,253.76 = 191,744.38/x
  3. Step 3: Cross multiply
    570,834.49x = 856,253.76 × 191,744.38
  4. Step 4: Simplify right side
    570,834.49x = 164,181,846,333.87
  5. Step 5: Solve for x
    x = 164,181,846,333.87/570,834.49
  6. Step 6: Final answer
    x = 287,617.25

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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.