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Finding the Fourth Proportional to 635,222.16, 876,608.10 and 348,760.71

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Solution

The fourth proportional to 635,222.16, 876,608.10 and 348,760.71 is: 481,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,222.16 : 876,608.10 = 348,760.71 : x
  2. Step 2: Convert to fraction form
    635,222.16/876,608.10 = 348,760.71/x
  3. Step 3: Cross multiply
    635,222.16x = 876,608.10 × 348,760.71
  4. Step 4: Simplify right side
    635,222.16x = 305,726,463,347.75
  5. Step 5: Solve for x
    x = 305,726,463,347.75/635,222.16
  6. Step 6: Final answer
    x = 481,290.61

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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.