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Finding the Fourth Proportional to 365,403.31, 504,253.09 and 202,066.95

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Solution

The fourth proportional to 365,403.31, 504,253.09 and 202,066.95 is: 278,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,403.31 : 504,253.09 = 202,066.95 : x
  2. Step 2: Convert to fraction form
    365,403.31/504,253.09 = 202,066.95/x
  3. Step 3: Cross multiply
    365,403.31x = 504,253.09 × 202,066.95
  4. Step 4: Simplify right side
    365,403.31x = 101,892,881,696.62
  5. Step 5: Solve for x
    x = 101,892,881,696.62/365,403.31
  6. Step 6: Final answer
    x = 278,850.46

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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.