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Finding the Fourth Proportional to 401,537.96, 554,114.10 and 248,535.56

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Solution

The fourth proportional to 401,537.96, 554,114.10 and 248,535.56 is: 342,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,537.96 : 554,114.10 = 248,535.56 : x
  2. Step 2: Convert to fraction form
    401,537.96/554,114.10 = 248,535.56/x
  3. Step 3: Cross multiply
    401,537.96x = 554,114.10 × 248,535.56
  4. Step 4: Simplify right side
    401,537.96x = 137,717,058,147.40
  5. Step 5: Solve for x
    x = 137,717,058,147.40/401,537.96
  6. Step 6: Final answer
    x = 342,973.94

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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.