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Finding the Fourth Proportional to 532,908.22, 735,404.56 and 291,185.58

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Solution

The fourth proportional to 532,908.22, 735,404.56 and 291,185.58 is: 401,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,908.22 : 735,404.56 = 291,185.58 : x
  2. Step 2: Convert to fraction form
    532,908.22/735,404.56 = 291,185.58/x
  3. Step 3: Cross multiply
    532,908.22x = 735,404.56 × 291,185.58
  4. Step 4: Simplify right side
    532,908.22x = 214,139,203,338.25
  5. Step 5: Solve for x
    x = 214,139,203,338.25/532,908.22
  6. Step 6: Final answer
    x = 401,831.30

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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.