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Finding the Fourth Proportional to 635,258.19, 876,658.02 and 348,796.83

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Solution

The fourth proportional to 635,258.19, 876,658.02 and 348,796.83 is: 481,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,258.19 : 876,658.02 = 348,796.83 : x
  2. Step 2: Convert to fraction form
    635,258.19/876,658.02 = 348,796.83/x
  3. Step 3: Cross multiply
    635,258.19x = 876,658.02 × 348,796.83
  4. Step 4: Simplify right side
    635,258.19x = 305,775,538,370.08
  5. Step 5: Solve for x
    x = 305,775,538,370.08/635,258.19
  6. Step 6: Final answer
    x = 481,340.57

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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.