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Finding the Fourth Proportional to 358,467.62, 537,701.45 and 133,845.58

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Solution

The fourth proportional to 358,467.62, 537,701.45 and 133,845.58 is: 200,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,467.62 : 537,701.45 = 133,845.58 : x
  2. Step 2: Convert to fraction form
    358,467.62/537,701.45 = 133,845.58/x
  3. Step 3: Cross multiply
    358,467.62x = 537,701.45 × 133,845.58
  4. Step 4: Simplify right side
    358,467.62x = 71,968,959,084.36
  5. Step 5: Solve for x
    x = 71,968,959,084.36/358,467.62
  6. Step 6: Final answer
    x = 200,768.37

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1.5x scale

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.