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Finding the Fourth Proportional to 364,063.43, 546,007.65 and 186,479.03

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Solution

The fourth proportional to 364,063.43, 546,007.65 and 186,479.03 is: 279,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,063.43 : 546,007.65 = 186,479.03 : x
  2. Step 2: Convert to fraction form
    364,063.43/546,007.65 = 186,479.03/x
  3. Step 3: Cross multiply
    364,063.43x = 546,007.65 × 186,479.03
  4. Step 4: Simplify right side
    364,063.43x = 101,818,974,214.54
  5. Step 5: Solve for x
    x = 101,818,974,214.54/364,063.43
  6. Step 6: Final answer
    x = 279,673.73

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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.