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Finding the Fourth Proportional to 461,099.28, 636,317.62 and 254,363.01

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Solution

The fourth proportional to 461,099.28, 636,317.62 and 254,363.01 is: 351,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,099.28 : 636,317.62 = 254,363.01 : x
  2. Step 2: Convert to fraction form
    461,099.28/636,317.62 = 254,363.01/x
  3. Step 3: Cross multiply
    461,099.28x = 636,317.62 × 254,363.01
  4. Step 4: Simplify right side
    461,099.28x = 161,855,660,685.83
  5. Step 5: Solve for x
    x = 161,855,660,685.83/461,099.28
  6. Step 6: Final answer
    x = 351,021.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.