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Finding the Fourth Proportional to 295,358.40, 443,037.60 and 137,894.40

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Solution

The fourth proportional to 295,358.40, 443,037.60 and 137,894.40 is: 206,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,358.40 : 443,037.60 = 137,894.40 : x
  2. Step 2: Convert to fraction form
    295,358.40/443,037.60 = 137,894.40/x
  3. Step 3: Cross multiply
    295,358.40x = 443,037.60 × 137,894.40
  4. Step 4: Simplify right side
    295,358.40x = 61,092,404,029.44
  5. Step 5: Solve for x
    x = 61,092,404,029.44/295,358.40
  6. Step 6: Final answer
    x = 206,841.60

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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.