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Finding the Fourth Proportional to 351,577.84, 527,014.14 and 174,213.76

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Solution

The fourth proportional to 351,577.84, 527,014.14 and 174,213.76 is: 261,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,577.84 : 527,014.14 = 174,213.76 : x
  2. Step 2: Convert to fraction form
    351,577.84/527,014.14 = 174,213.76/x
  3. Step 3: Cross multiply
    351,577.84x = 527,014.14 × 174,213.76
  4. Step 4: Simplify right side
    351,577.84x = 91,813,114,902.57
  5. Step 5: Solve for x
    x = 91,813,114,902.57/351,577.84
  6. Step 6: Final answer
    x = 261,145.91

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1.5x scale

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.