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Finding the Fourth Proportional to 424,410.80, 585,490.56 and 254,349.68

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Solution

The fourth proportional to 424,410.80, 585,490.56 and 254,349.68 is: 350,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,410.80 : 585,490.56 = 254,349.68 : x
  2. Step 2: Convert to fraction form
    424,410.80/585,490.56 = 254,349.68/x
  3. Step 3: Cross multiply
    424,410.80x = 585,490.56 × 254,349.68
  4. Step 4: Simplify right side
    424,410.80x = 148,919,336,579.02
  5. Step 5: Solve for x
    x = 148,919,336,579.02/424,410.80
  6. Step 6: Final answer
    x = 350,884.89

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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.