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Finding the Fourth Proportional to 294,529.70, 441,794.55 and 154,270.10

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Solution

The fourth proportional to 294,529.70, 441,794.55 and 154,270.10 is: 231,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,529.70 : 441,794.55 = 154,270.10 : x
  2. Step 2: Convert to fraction form
    294,529.70/441,794.55 = 154,270.10/x
  3. Step 3: Cross multiply
    294,529.70x = 441,794.55 × 154,270.10
  4. Step 4: Simplify right side
    294,529.70x = 68,155,689,407.96
  5. Step 5: Solve for x
    x = 68,155,689,407.96/294,529.70
  6. Step 6: Final answer
    x = 231,405.15

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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.