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Finding the Fourth Proportional to 891,748.84, 1,337,667 and 359,197.96

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Solution

The fourth proportional to 891,748.84, 1,337,667 and 359,197.96 is: 538,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,748.84 : 1,337,667 = 359,197.96 : x
  2. Step 2: Convert to fraction form
    891,748.84/1,337,667 = 359,197.96/x
  3. Step 3: Cross multiply
    891,748.84x = 1,337,667 × 359,197.96
  4. Step 4: Simplify right side
    891,748.84x = 480,487,257,559.32
  5. Step 5: Solve for x
    x = 480,487,257,559.32/891,748.84
  6. Step 6: Final answer
    x = 538,814.56

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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.