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Finding the Fourth Proportional to 486,954.08, 730,597.19 and 262,337.56

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Solution

The fourth proportional to 486,954.08, 730,597.19 and 262,337.56 is: 393,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,954.08 : 730,597.19 = 262,337.56 : x
  2. Step 2: Convert to fraction form
    486,954.08/730,597.19 = 262,337.56/x
  3. Step 3: Cross multiply
    486,954.08x = 730,597.19 × 262,337.56
  4. Step 4: Simplify right side
    486,954.08x = 191,663,085,297.55
  5. Step 5: Solve for x
    x = 191,663,085,297.55/486,954.08
  6. Step 6: Final answer
    x = 393,595.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.