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Finding the Fourth Proportional to 270,090.40, 404,887.92 and 103,753.12

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Solution

The fourth proportional to 270,090.40, 404,887.92 and 103,753.12 is: 155,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,090.40 : 404,887.92 = 103,753.12 : x
  2. Step 2: Convert to fraction form
    270,090.40/404,887.92 = 103,753.12/x
  3. Step 3: Cross multiply
    270,090.40x = 404,887.92 × 103,753.12
  4. Step 4: Simplify right side
    270,090.40x = 42,008,384,950.31
  5. Step 5: Solve for x
    x = 42,008,384,950.31/270,090.40
  6. Step 6: Final answer
    x = 155,534.54

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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.