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Finding the Fourth Proportional to 594,438.30, 891,725.11 and 215,537.49

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Solution

The fourth proportional to 594,438.30, 891,725.11 and 215,537.49 is: 323,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,438.30 : 891,725.11 = 215,537.49 : x
  2. Step 2: Convert to fraction form
    594,438.30/891,725.11 = 215,537.49/x
  3. Step 3: Cross multiply
    594,438.30x = 891,725.11 × 215,537.49
  4. Step 4: Simplify right side
    594,438.30x = 192,200,191,440.53
  5. Step 5: Solve for x
    x = 192,200,191,440.53/594,438.30
  6. Step 6: Final answer
    x = 323,330.77

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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.