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Finding the Fourth Proportional to 594,398.34, 891,947.42 and 220,683.78

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Solution

The fourth proportional to 594,398.34, 891,947.42 and 220,683.78 is: 331,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,398.34 : 891,947.42 = 220,683.78 : x
  2. Step 2: Convert to fraction form
    594,398.34/891,947.42 = 220,683.78/x
  3. Step 3: Cross multiply
    594,398.34x = 891,947.42 × 220,683.78
  4. Step 4: Simplify right side
    594,398.34x = 196,838,328,206.85
  5. Step 5: Solve for x
    x = 196,838,328,206.85/594,398.34
  6. Step 6: Final answer
    x = 331,155.58

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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.