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Finding the Fourth Proportional to 355,269.40, 532,904.10 and 353,195.80

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Solution

The fourth proportional to 355,269.40, 532,904.10 and 353,195.80 is: 529,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,269.40 : 532,904.10 = 353,195.80 : x
  2. Step 2: Convert to fraction form
    355,269.40/532,904.10 = 353,195.80/x
  3. Step 3: Cross multiply
    355,269.40x = 532,904.10 × 353,195.80
  4. Step 4: Simplify right side
    355,269.40x = 188,219,489,922.78
  5. Step 5: Solve for x
    x = 188,219,489,922.78/355,269.40
  6. Step 6: Final answer
    x = 529,793.70

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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.