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Finding the Fourth Proportional to 594,397.34, 891,945.92 and 220,682.78

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Solution

The fourth proportional to 594,397.34, 891,945.92 and 220,682.78 is: 331,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,397.34 : 891,945.92 = 220,682.78 : x
  2. Step 2: Convert to fraction form
    594,397.34/891,945.92 = 220,682.78/x
  3. Step 3: Cross multiply
    594,397.34x = 891,945.92 × 220,682.78
  4. Step 4: Simplify right side
    594,397.34x = 196,837,100,775.53
  5. Step 5: Solve for x
    x = 196,837,100,775.53/594,397.34
  6. Step 6: Final answer
    x = 331,154.08

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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.