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Finding the Fourth Proportional to 424,321.78, 585,579.09 and 233,349.70

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Solution

The fourth proportional to 424,321.78, 585,579.09 and 233,349.70 is: 322,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,321.78 : 585,579.09 = 233,349.70 : x
  2. Step 2: Convert to fraction form
    424,321.78/585,579.09 = 233,349.70/x
  3. Step 3: Cross multiply
    424,321.78x = 585,579.09 × 233,349.70
  4. Step 4: Simplify right side
    424,321.78x = 136,644,704,977.77
  5. Step 5: Solve for x
    x = 136,644,704,977.77/424,321.78
  6. Step 6: Final answer
    x = 322,030.85

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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.