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Finding the Fourth Proportional to 364,711.92, 548,030.08 and 196,356.72

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Solution

The fourth proportional to 364,711.92, 548,030.08 and 196,356.72 is: 295,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,711.92 : 548,030.08 = 196,356.72 : x
  2. Step 2: Convert to fraction form
    364,711.92/548,030.08 = 196,356.72/x
  3. Step 3: Cross multiply
    364,711.92x = 548,030.08 × 196,356.72
  4. Step 4: Simplify right side
    364,711.92x = 107,609,388,970.14
  5. Step 5: Solve for x
    x = 107,609,388,970.14/364,711.92
  6. Step 6: Final answer
    x = 295,053.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.