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Finding the Fourth Proportional to 532,502.37, 734,825.88 and 290,738.34

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Solution

The fourth proportional to 532,502.37, 734,825.88 and 290,738.34 is: 401,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,502.37 : 734,825.88 = 290,738.34 : x
  2. Step 2: Convert to fraction form
    532,502.37/734,825.88 = 290,738.34/x
  3. Step 3: Cross multiply
    532,502.37x = 734,825.88 × 290,738.34
  4. Step 4: Simplify right side
    532,502.37x = 213,642,056,540.24
  5. Step 5: Solve for x
    x = 213,642,056,540.24/532,502.37
  6. Step 6: Final answer
    x = 401,203.95

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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.