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Finding the Fourth Proportional to 358,321.08, 537,481.62 and 254,394.84

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Solution

The fourth proportional to 358,321.08, 537,481.62 and 254,394.84 is: 381,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,321.08 : 537,481.62 = 254,394.84 : x
  2. Step 2: Convert to fraction form
    358,321.08/537,481.62 = 254,394.84/x
  3. Step 3: Cross multiply
    358,321.08x = 537,481.62 × 254,394.84
  4. Step 4: Simplify right side
    358,321.08x = 136,732,550,722.84
  5. Step 5: Solve for x
    x = 136,732,550,722.84/358,321.08
  6. Step 6: Final answer
    x = 381,592.26

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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.