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Finding the Fourth Proportional to 602,213.87, 831,053.46 and 344,170.89

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Solution

The fourth proportional to 602,213.87, 831,053.46 and 344,170.89 is: 474,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,213.87 : 831,053.46 = 344,170.89 : x
  2. Step 2: Convert to fraction form
    602,213.87/831,053.46 = 344,170.89/x
  3. Step 3: Cross multiply
    602,213.87x = 831,053.46 × 344,170.89
  4. Step 4: Simplify right side
    602,213.87x = 286,024,408,965.78
  5. Step 5: Solve for x
    x = 286,024,408,965.78/602,213.87
  6. Step 6: Final answer
    x = 474,954.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.