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Finding the Fourth Proportional to 272,541.88, 375,785.94 and 186,542.38

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Solution

The fourth proportional to 272,541.88, 375,785.94 and 186,542.38 is: 257,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,541.88 : 375,785.94 = 186,542.38 : x
  2. Step 2: Convert to fraction form
    272,541.88/375,785.94 = 186,542.38/x
  3. Step 3: Cross multiply
    272,541.88x = 375,785.94 × 186,542.38
  4. Step 4: Simplify right side
    272,541.88x = 70,100,003,618.14
  5. Step 5: Solve for x
    x = 70,100,003,618.14/272,541.88
  6. Step 6: Final answer
    x = 257,208.19

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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.