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Finding the Fourth Proportional to 336,019.10, 504,028.65 and 149,030.60

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Solution

The fourth proportional to 336,019.10, 504,028.65 and 149,030.60 is: 223,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,019.10 : 504,028.65 = 149,030.60 : x
  2. Step 2: Convert to fraction form
    336,019.10/504,028.65 = 149,030.60/x
  3. Step 3: Cross multiply
    336,019.10x = 504,028.65 × 149,030.60
  4. Step 4: Simplify right side
    336,019.10x = 75,115,692,126.69
  5. Step 5: Solve for x
    x = 75,115,692,126.69/336,019.10
  6. Step 6: Final answer
    x = 223,545.90

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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.