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Finding the Fourth Proportional to 424,568.01, 636,327.14 and 214,266.09

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Solution

The fourth proportional to 424,568.01, 636,327.14 and 214,266.09 is: 321,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,568.01 : 636,327.14 = 214,266.09 : x
  2. Step 2: Convert to fraction form
    424,568.01/636,327.14 = 214,266.09/x
  3. Step 3: Cross multiply
    424,568.01x = 636,327.14 × 214,266.09
  4. Step 4: Simplify right side
    424,568.01x = 136,343,327,177.35
  5. Step 5: Solve for x
    x = 136,343,327,177.35/424,568.01
  6. Step 6: Final answer
    x = 321,134.24

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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.