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Finding the Fourth Proportional to 295,508.80, 407,525.32 and 235,278.28

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Solution

The fourth proportional to 295,508.80, 407,525.32 and 235,278.28 is: 324,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,508.80 : 407,525.32 = 235,278.28 : x
  2. Step 2: Convert to fraction form
    295,508.80/407,525.32 = 235,278.28/x
  3. Step 3: Cross multiply
    295,508.80x = 407,525.32 × 235,278.28
  4. Step 4: Simplify right side
    295,508.80x = 95,881,856,346.05
  5. Step 5: Solve for x
    x = 95,881,856,346.05/295,508.80
  6. Step 6: Final answer
    x = 324,463.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.