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Finding the Fourth Proportional to 351,311, 527,033.10 and 140,965.52

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Solution

The fourth proportional to 351,311, 527,033.10 and 140,965.52 is: 211,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,311 : 527,033.10 = 140,965.52 : x
  2. Step 2: Convert to fraction form
    351,311/527,033.10 = 140,965.52/x
  3. Step 3: Cross multiply
    351,311x = 527,033.10 × 140,965.52
  4. Step 4: Simplify right side
    351,311x = 74,293,494,998.71
  5. Step 5: Solve for x
    x = 74,293,494,998.71/351,311
  6. Step 6: Final answer
    x = 211,475.00

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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.