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Finding the Fourth Proportional to 659,192.42, 909,351.68 and 417,067.22

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Solution

The fourth proportional to 659,192.42, 909,351.68 and 417,067.22 is: 575,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,192.42 : 909,351.68 = 417,067.22 : x
  2. Step 2: Convert to fraction form
    659,192.42/909,351.68 = 417,067.22/x
  3. Step 3: Cross multiply
    659,192.42x = 909,351.68 × 417,067.22
  4. Step 4: Simplify right side
    659,192.42x = 379,260,777,179.93
  5. Step 5: Solve for x
    x = 379,260,777,179.93/659,192.42
  6. Step 6: Final answer
    x = 575,341.53

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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.