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Finding the Fourth Proportional to 336,428.62, 504,652.04 and 83,698.90

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Solution

The fourth proportional to 336,428.62, 504,652.04 and 83,698.90 is: 125,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,428.62 : 504,652.04 = 83,698.90 : x
  2. Step 2: Convert to fraction form
    336,428.62/504,652.04 = 83,698.90/x
  3. Step 3: Cross multiply
    336,428.62x = 504,652.04 × 83,698.90
  4. Step 4: Simplify right side
    336,428.62x = 42,238,820,630.76
  5. Step 5: Solve for x
    x = 42,238,820,630.76/336,428.62
  6. Step 6: Final answer
    x = 125,550.62

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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.