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Finding the Fourth Proportional to 508,342.57, 700,937.55 and 324,334.94

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Solution

The fourth proportional to 508,342.57, 700,937.55 and 324,334.94 is: 447,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,342.57 : 700,937.55 = 324,334.94 : x
  2. Step 2: Convert to fraction form
    508,342.57/700,937.55 = 324,334.94/x
  3. Step 3: Cross multiply
    508,342.57x = 700,937.55 × 324,334.94
  4. Step 4: Simplify right side
    508,342.57x = 227,338,534,718.31
  5. Step 5: Solve for x
    x = 227,338,534,718.31/508,342.57
  6. Step 6: Final answer
    x = 447,215.22

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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.