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Finding the Fourth Proportional to 486,632.82, 730,210.67 and 202,519.25

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Solution

The fourth proportional to 486,632.82, 730,210.67 and 202,519.25 is: 303,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,632.82 : 730,210.67 = 202,519.25 : x
  2. Step 2: Convert to fraction form
    486,632.82/730,210.67 = 202,519.25/x
  3. Step 3: Cross multiply
    486,632.82x = 730,210.67 × 202,519.25
  4. Step 4: Simplify right side
    486,632.82x = 147,881,717,230.40
  5. Step 5: Solve for x
    x = 147,881,717,230.40/486,632.82
  6. Step 6: Final answer
    x = 303,887.68

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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.