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Finding the Fourth Proportional to 635,255.51, 876,654.30 and 348,794.15

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Solution

The fourth proportional to 635,255.51, 876,654.30 and 348,794.15 is: 481,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,255.51 : 876,654.30 = 348,794.15 : x
  2. Step 2: Convert to fraction form
    635,255.51/876,654.30 = 348,794.15/x
  3. Step 3: Cross multiply
    635,255.51x = 876,654.30 × 348,794.15
  4. Step 4: Simplify right side
    635,255.51x = 305,771,887,029.07
  5. Step 5: Solve for x
    x = 305,771,887,029.07/635,255.51
  6. Step 6: Final answer
    x = 481,336.86

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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.