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Finding the Fourth Proportional to 635,343.39, 876,852.88 and 363,373.54

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Solution

The fourth proportional to 635,343.39, 876,852.88 and 363,373.54 is: 501,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,343.39 : 876,852.88 = 363,373.54 : x
  2. Step 2: Convert to fraction form
    635,343.39/876,852.88 = 363,373.54/x
  3. Step 3: Cross multiply
    635,343.39x = 876,852.88 × 363,373.54
  4. Step 4: Simplify right side
    635,343.39x = 318,625,131,964.23
  5. Step 5: Solve for x
    x = 318,625,131,964.23/635,343.39
  6. Step 6: Final answer
    x = 501,500.66

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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.