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Finding the Fourth Proportional to 635,617.89, 876,935.43 and 363,586.68

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Solution

The fourth proportional to 635,617.89, 876,935.43 and 363,586.68 is: 501,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,617.89 : 876,935.43 = 363,586.68 : x
  2. Step 2: Convert to fraction form
    635,617.89/876,935.43 = 363,586.68/x
  3. Step 3: Cross multiply
    635,617.89x = 876,935.43 × 363,586.68
  4. Step 4: Simplify right side
    635,617.89x = 318,842,041,568.07
  5. Step 5: Solve for x
    x = 318,842,041,568.07/635,617.89
  6. Step 6: Final answer
    x = 501,625.34

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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.