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Finding the Fourth Proportional to 514,787.56, 771,327.90 and 364,282.12

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Solution

The fourth proportional to 514,787.56, 771,327.90 and 364,282.12 is: 545,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,787.56 : 771,327.90 = 364,282.12 : x
  2. Step 2: Convert to fraction form
    514,787.56/771,327.90 = 364,282.12/x
  3. Step 3: Cross multiply
    514,787.56x = 771,327.90 × 364,282.12
  4. Step 4: Simplify right side
    514,787.56x = 280,980,962,627.15
  5. Step 5: Solve for x
    x = 280,980,962,627.15/514,787.56
  6. Step 6: Final answer
    x = 545,819.26

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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.