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Finding the Fourth Proportional to 294,530.70, 441,796.05 and 154,271.10

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Solution

The fourth proportional to 294,530.70, 441,796.05 and 154,271.10 is: 231,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,530.70 : 441,796.05 = 154,271.10 : x
  2. Step 2: Convert to fraction form
    294,530.70/441,796.05 = 154,271.10/x
  3. Step 3: Cross multiply
    294,530.70x = 441,796.05 × 154,271.10
  4. Step 4: Simplify right side
    294,530.70x = 68,156,362,609.16
  5. Step 5: Solve for x
    x = 68,156,362,609.16/294,530.70
  6. Step 6: Final answer
    x = 231,406.65

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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.