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Finding the Fourth Proportional to 532,308.62, 734,598.48 and 290,593.01

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Solution

The fourth proportional to 532,308.62, 734,598.48 and 290,593.01 is: 401,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,308.62 : 734,598.48 = 290,593.01 : x
  2. Step 2: Convert to fraction form
    532,308.62/734,598.48 = 290,593.01/x
  3. Step 3: Cross multiply
    532,308.62x = 734,598.48 × 290,593.01
  4. Step 4: Simplify right side
    532,308.62x = 213,469,186,370.85
  5. Step 5: Solve for x
    x = 213,469,186,370.85/532,308.62
  6. Step 6: Final answer
    x = 401,025.23

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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.