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Finding the Fourth Proportional to 532,549.76, 734,924.52 and 290,839.45

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Solution

The fourth proportional to 532,549.76, 734,924.52 and 290,839.45 is: 401,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,549.76 : 734,924.52 = 290,839.45 : x
  2. Step 2: Convert to fraction form
    532,549.76/734,924.52 = 290,839.45/x
  3. Step 3: Cross multiply
    532,549.76x = 734,924.52 × 290,839.45
  4. Step 4: Simplify right side
    532,549.76x = 213,745,043,188.31
  5. Step 5: Solve for x
    x = 213,745,043,188.31/532,549.76
  6. Step 6: Final answer
    x = 401,361.64

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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.