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Finding the Fourth Proportional to 294,490.19, 441,378.15 and 134,346.69

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Solution

The fourth proportional to 294,490.19, 441,378.15 and 134,346.69 is: 201,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,490.19 : 441,378.15 = 134,346.69 : x
  2. Step 2: Convert to fraction form
    294,490.19/441,378.15 = 134,346.69/x
  3. Step 3: Cross multiply
    294,490.19x = 441,378.15 × 134,346.69
  4. Step 4: Simplify right side
    294,490.19x = 59,297,693,490.82
  5. Step 5: Solve for x
    x = 59,297,693,490.82/294,490.19
  6. Step 6: Final answer
    x = 201,357.11

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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.