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Finding the Fourth Proportional to 635,196.62, 876,573.71 and 344,808.75

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Solution

The fourth proportional to 635,196.62, 876,573.71 and 344,808.75 is: 475,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,196.62 : 876,573.71 = 344,808.75 : x
  2. Step 2: Convert to fraction form
    635,196.62/876,573.71 = 344,808.75/x
  3. Step 3: Cross multiply
    635,196.62x = 876,573.71 × 344,808.75
  4. Step 4: Simplify right side
    635,196.62x = 302,250,283,503.92
  5. Step 5: Solve for x
    x = 302,250,283,503.92/635,196.62
  6. Step 6: Final answer
    x = 475,837.36

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Double scale
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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.