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Finding the Fourth Proportional to 363,447.42, 501,509.97 and 202,309.26

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Solution

The fourth proportional to 363,447.42, 501,509.97 and 202,309.26 is: 279,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,447.42 : 501,509.97 = 202,309.26 : x
  2. Step 2: Convert to fraction form
    363,447.42/501,509.97 = 202,309.26/x
  3. Step 3: Cross multiply
    363,447.42x = 501,509.97 × 202,309.26
  4. Step 4: Simplify right side
    363,447.42x = 101,460,110,913.32
  5. Step 5: Solve for x
    x = 101,460,110,913.32/363,447.42
  6. Step 6: Final answer
    x = 279,160.36

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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.