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Finding the Fourth Proportional to 635,359.14, 876,874.59 and 363,389.31

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Solution

The fourth proportional to 635,359.14, 876,874.59 and 363,389.31 is: 501,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,359.14 : 876,874.59 = 363,389.31 : x
  2. Step 2: Convert to fraction form
    635,359.14/876,874.59 = 363,389.31/x
  3. Step 3: Cross multiply
    635,359.14x = 876,874.59 × 363,389.31
  4. Step 4: Simplify right side
    635,359.14x = 318,646,852,216.63
  5. Step 5: Solve for x
    x = 318,646,852,216.63/635,359.14
  6. Step 6: Final answer
    x = 501,522.42

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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.