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Finding the Fourth Proportional to 535,219.92, 802,860.12 and 235,840.32

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Solution

The fourth proportional to 535,219.92, 802,860.12 and 235,840.32 is: 353,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,219.92 : 802,860.12 = 235,840.32 : x
  2. Step 2: Convert to fraction form
    535,219.92/802,860.12 = 235,840.32/x
  3. Step 3: Cross multiply
    535,219.92x = 802,860.12 × 235,840.32
  4. Step 4: Simplify right side
    535,219.92x = 189,346,787,616.04
  5. Step 5: Solve for x
    x = 189,346,787,616.04/535,219.92
  6. Step 6: Final answer
    x = 353,773.81

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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.