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Finding the Fourth Proportional to 336,652.81, 504,973.74 and 159,287.11

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Solution

The fourth proportional to 336,652.81, 504,973.74 and 159,287.11 is: 238,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,652.81 : 504,973.74 = 159,287.11 : x
  2. Step 2: Convert to fraction form
    336,652.81/504,973.74 = 159,287.11/x
  3. Step 3: Cross multiply
    336,652.81x = 504,973.74 × 159,287.11
  4. Step 4: Simplify right side
    336,652.81x = 80,435,807,005.38
  5. Step 5: Solve for x
    x = 80,435,807,005.38/336,652.81
  6. Step 6: Final answer
    x = 238,928.07

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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.