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Finding the Fourth Proportional to 532,581.44, 734,967.36 and 303,127.48

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Solution

The fourth proportional to 532,581.44, 734,967.36 and 303,127.48 is: 418,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,581.44 : 734,967.36 = 303,127.48 : x
  2. Step 2: Convert to fraction form
    532,581.44/734,967.36 = 303,127.48/x
  3. Step 3: Cross multiply
    532,581.44x = 734,967.36 × 303,127.48
  4. Step 4: Simplify right side
    532,581.44x = 222,788,803,719.05
  5. Step 5: Solve for x
    x = 222,788,803,719.05/532,581.44
  6. Step 6: Final answer
    x = 418,318.75

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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.