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Finding the Fourth Proportional to 401,527.26, 554,758.47 and 341,729.82

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Solution

The fourth proportional to 401,527.26, 554,758.47 and 341,729.82 is: 472,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,527.26 : 554,758.47 = 341,729.82 : x
  2. Step 2: Convert to fraction form
    401,527.26/554,758.47 = 341,729.82/x
  3. Step 3: Cross multiply
    401,527.26x = 554,758.47 × 341,729.82
  4. Step 4: Simplify right side
    401,527.26x = 189,577,512,096.58
  5. Step 5: Solve for x
    x = 189,577,512,096.58/401,527.26
  6. Step 6: Final answer
    x = 472,141.07

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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.