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Finding the Fourth Proportional to 570,713.95, 856,107.83 and 191,619.37

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Solution

The fourth proportional to 570,713.95, 856,107.83 and 191,619.37 is: 287,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,713.95 : 856,107.83 = 191,619.37 : x
  2. Step 2: Convert to fraction form
    570,713.95/856,107.83 = 191,619.37/x
  3. Step 3: Cross multiply
    570,713.95x = 856,107.83 × 191,619.37
  4. Step 4: Simplify right side
    570,713.95x = 164,046,843,036.67
  5. Step 5: Solve for x
    x = 164,046,843,036.67/570,713.95
  6. Step 6: Final answer
    x = 287,441.45

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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.