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Finding the Fourth Proportional to 354,818.40, 532,227.60 and 301,674.30

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Solution

The fourth proportional to 354,818.40, 532,227.60 and 301,674.30 is: 452,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,818.40 : 532,227.60 = 301,674.30 : x
  2. Step 2: Convert to fraction form
    354,818.40/532,227.60 = 301,674.30/x
  3. Step 3: Cross multiply
    354,818.40x = 532,227.60 × 301,674.30
  4. Step 4: Simplify right side
    354,818.40x = 160,559,388,670.68
  5. Step 5: Solve for x
    x = 160,559,388,670.68/354,818.40
  6. Step 6: Final answer
    x = 452,511.45

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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.