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Finding the Fourth Proportional to 327,950.60, 492,041.10 and 117,595.40

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Solution

The fourth proportional to 327,950.60, 492,041.10 and 117,595.40 is: 176,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,950.60 : 492,041.10 = 117,595.40 : x
  2. Step 2: Convert to fraction form
    327,950.60/492,041.10 = 117,595.40/x
  3. Step 3: Cross multiply
    327,950.60x = 492,041.10 × 117,595.40
  4. Step 4: Simplify right side
    327,950.60x = 57,861,769,970.94
  5. Step 5: Solve for x
    x = 57,861,769,970.94/327,950.60
  6. Step 6: Final answer
    x = 176,434.41

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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.