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Finding the Fourth Proportional to 542,089.26, 813,199.50 and 512,236.71

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Solution

The fourth proportional to 542,089.26, 813,199.50 and 512,236.71 is: 768,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,089.26 : 813,199.50 = 512,236.71 : x
  2. Step 2: Convert to fraction form
    542,089.26/813,199.50 = 512,236.71/x
  3. Step 3: Cross multiply
    542,089.26x = 813,199.50 × 512,236.71
  4. Step 4: Simplify right side
    542,089.26x = 416,550,636,453.65
  5. Step 5: Solve for x
    x = 416,550,636,453.65/542,089.26
  6. Step 6: Final answer
    x = 768,417.06

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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.