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Finding the Fourth Proportional to 270,978.52, 374,012.58 and 180,338.32

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Solution

The fourth proportional to 270,978.52, 374,012.58 and 180,338.32 is: 248,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,978.52 : 374,012.58 = 180,338.32 : x
  2. Step 2: Convert to fraction form
    270,978.52/374,012.58 = 180,338.32/x
  3. Step 3: Cross multiply
    270,978.52x = 374,012.58 × 180,338.32
  4. Step 4: Simplify right side
    270,978.52x = 67,448,800,336.07
  5. Step 5: Solve for x
    x = 67,448,800,336.07/270,978.52
  6. Step 6: Final answer
    x = 248,908.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.