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Finding the Fourth Proportional to 532,387.54, 734,710.87 and 302,977.73

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Solution

The fourth proportional to 532,387.54, 734,710.87 and 302,977.73 is: 418,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,387.54 : 734,710.87 = 302,977.73 : x
  2. Step 2: Convert to fraction form
    532,387.54/734,710.87 = 302,977.73/x
  3. Step 3: Cross multiply
    532,387.54x = 734,710.87 × 302,977.73
  4. Step 4: Simplify right side
    532,387.54x = 222,601,031,598.93
  5. Step 5: Solve for x
    x = 222,601,031,598.93/532,387.54
  6. Step 6: Final answer
    x = 418,118.41

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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.