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Finding the Fourth Proportional to 295,163.28, 407,356.64 and 180,508.96

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Solution

The fourth proportional to 295,163.28, 407,356.64 and 180,508.96 is: 249,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,163.28 : 407,356.64 = 180,508.96 : x
  2. Step 2: Convert to fraction form
    295,163.28/407,356.64 = 180,508.96/x
  3. Step 3: Cross multiply
    295,163.28x = 407,356.64 × 180,508.96
  4. Step 4: Simplify right side
    295,163.28x = 73,531,523,435.49
  5. Step 5: Solve for x
    x = 73,531,523,435.49/295,163.28
  6. Step 6: Final answer
    x = 249,121.51

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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.