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Finding the Fourth Proportional to 638,093.61, 957,293.16 and 182,691.18

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Solution

The fourth proportional to 638,093.61, 957,293.16 and 182,691.18 is: 274,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,093.61 : 957,293.16 = 182,691.18 : x
  2. Step 2: Convert to fraction form
    638,093.61/957,293.16 = 182,691.18/x
  3. Step 3: Cross multiply
    638,093.61x = 957,293.16 × 182,691.18
  4. Step 4: Simplify right side
    638,093.61x = 174,889,017,006.33
  5. Step 5: Solve for x
    x = 174,889,017,006.33/638,093.61
  6. Step 6: Final answer
    x = 274,080.50

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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.