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Finding the Fourth Proportional to 570,955.24, 856,446.78 and 191,881.56

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Solution

The fourth proportional to 570,955.24, 856,446.78 and 191,881.56 is: 287,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,955.24 : 856,446.78 = 191,881.56 : x
  2. Step 2: Convert to fraction form
    570,955.24/856,446.78 = 191,881.56/x
  3. Step 3: Cross multiply
    570,955.24x = 856,446.78 × 191,881.56
  4. Step 4: Simplify right side
    570,955.24x = 164,336,344,203.38
  5. Step 5: Solve for x
    x = 164,336,344,203.38/570,955.24
  6. Step 6: Final answer
    x = 287,827.02

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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.