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Finding the Fourth Proportional to 294,004.35, 441,228.47 and 215,322.57

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Solution

The fourth proportional to 294,004.35, 441,228.47 and 215,322.57 is: 323,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,004.35 : 441,228.47 = 215,322.57 : x
  2. Step 2: Convert to fraction form
    294,004.35/441,228.47 = 215,322.57/x
  3. Step 3: Cross multiply
    294,004.35x = 441,228.47 × 215,322.57
  4. Step 4: Simplify right side
    294,004.35x = 95,006,447,040.96
  5. Step 5: Solve for x
    x = 95,006,447,040.96/294,004.35
  6. Step 6: Final answer
    x = 323,146.40

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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.