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Finding the Fourth Proportional to 335,626.58, 503,439.88 and 315,097.94

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Solution

The fourth proportional to 335,626.58, 503,439.88 and 315,097.94 is: 472,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,626.58 : 503,439.88 = 315,097.94 : x
  2. Step 2: Convert to fraction form
    335,626.58/503,439.88 = 315,097.94/x
  3. Step 3: Cross multiply
    335,626.58x = 503,439.88 × 315,097.94
  4. Step 4: Simplify right side
    335,626.58x = 158,632,869,101.85
  5. Step 5: Solve for x
    x = 158,632,869,101.85/335,626.58
  6. Step 6: Final answer
    x = 472,646.92

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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.