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Finding the Fourth Proportional to 351,560.76, 527,406.74 and 115,069.51

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Solution

The fourth proportional to 351,560.76, 527,406.74 and 115,069.51 is: 172,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,560.76 : 527,406.74 = 115,069.51 : x
  2. Step 2: Convert to fraction form
    351,560.76/527,406.74 = 115,069.51/x
  3. Step 3: Cross multiply
    351,560.76x = 527,406.74 × 115,069.51
  4. Step 4: Simplify right side
    351,560.76x = 60,688,435,142.50
  5. Step 5: Solve for x
    x = 60,688,435,142.50/351,560.76
  6. Step 6: Final answer
    x = 172,625.74

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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.