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Finding the Fourth Proportional to 354,838.41, 532,422.90 and 177,357.69

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Solution

The fourth proportional to 354,838.41, 532,422.90 and 177,357.69 is: 266,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,838.41 : 532,422.90 = 177,357.69 : x
  2. Step 2: Convert to fraction form
    354,838.41/532,422.90 = 177,357.69/x
  3. Step 3: Cross multiply
    354,838.41x = 532,422.90 × 177,357.69
  4. Step 4: Simplify right side
    354,838.41x = 94,429,295,647.10
  5. Step 5: Solve for x
    x = 94,429,295,647.10/354,838.41
  6. Step 6: Final answer
    x = 266,119.15

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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.