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Finding the Fourth Proportional to 336,019.70, 504,029.55 and 310,358.90

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Solution

The fourth proportional to 336,019.70, 504,029.55 and 310,358.90 is: 465,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,019.70 : 504,029.55 = 310,358.90 : x
  2. Step 2: Convert to fraction form
    336,019.70/504,029.55 = 310,358.90/x
  3. Step 3: Cross multiply
    336,019.70x = 504,029.55 × 310,358.90
  4. Step 4: Simplify right side
    336,019.70x = 156,430,056,705.50
  5. Step 5: Solve for x
    x = 156,430,056,705.50/336,019.70
  6. Step 6: Final answer
    x = 465,538.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.