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Finding the Fourth Proportional to 424,379.16, 585,644.85 and 233,404.56

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Solution

The fourth proportional to 424,379.16, 585,644.85 and 233,404.56 is: 322,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,379.16 : 585,644.85 = 233,404.56 : x
  2. Step 2: Convert to fraction form
    424,379.16/585,644.85 = 233,404.56/x
  3. Step 3: Cross multiply
    424,379.16x = 585,644.85 × 233,404.56
  4. Step 4: Simplify right side
    424,379.16x = 136,692,178,530.52
  5. Step 5: Solve for x
    x = 136,692,178,530.52/424,379.16
  6. Step 6: Final answer
    x = 322,099.18

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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.