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Finding the Fourth Proportional to 635,548.22, 876,843.14 and 359,868.39

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Solution

The fourth proportional to 635,548.22, 876,843.14 and 359,868.39 is: 496,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,548.22 : 876,843.14 = 359,868.39 : x
  2. Step 2: Convert to fraction form
    635,548.22/876,843.14 = 359,868.39/x
  3. Step 3: Cross multiply
    635,548.22x = 876,843.14 × 359,868.39
  4. Step 4: Simplify right side
    635,548.22x = 315,548,130,943.34
  5. Step 5: Solve for x
    x = 315,548,130,943.34/635,548.22
  6. Step 6: Final answer
    x = 496,497.55

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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.