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Finding the Fourth Proportional to 295,174.50, 407,372.18 and 180,520.22

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Solution

The fourth proportional to 295,174.50, 407,372.18 and 180,520.22 is: 249,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,174.50 : 407,372.18 = 180,520.22 : x
  2. Step 2: Convert to fraction form
    295,174.50/407,372.18 = 180,520.22/x
  3. Step 3: Cross multiply
    295,174.50x = 407,372.18 × 180,520.22
  4. Step 4: Simplify right side
    295,174.50x = 73,538,915,555.48
  5. Step 5: Solve for x
    x = 73,538,915,555.48/295,174.50
  6. Step 6: Final answer
    x = 249,137.09

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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.