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Finding the Fourth Proportional to 570,935.15, 855,866.27 and 191,589.84

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Solution

The fourth proportional to 570,935.15, 855,866.27 and 191,589.84 is: 287,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,935.15 : 855,866.27 = 191,589.84 : x
  2. Step 2: Convert to fraction form
    570,935.15/855,866.27 = 191,589.84/x
  3. Step 3: Cross multiply
    570,935.15x = 855,866.27 × 191,589.84
  4. Step 4: Simplify right side
    570,935.15x = 163,975,277,451.37
  5. Step 5: Solve for x
    x = 163,975,277,451.37/570,935.15
  6. Step 6: Final answer
    x = 287,204.74

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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.