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Finding the Fourth Proportional to 401,682.52, 602,532.49 and 145,537.95

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Solution

The fourth proportional to 401,682.52, 602,532.49 and 145,537.95 is: 218,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,682.52 : 602,532.49 = 145,537.95 : x
  2. Step 2: Convert to fraction form
    401,682.52/602,532.49 = 145,537.95/x
  3. Step 3: Cross multiply
    401,682.52x = 602,532.49 × 145,537.95
  4. Step 4: Simplify right side
    401,682.52x = 87,691,343,403.00
  5. Step 5: Solve for x
    x = 87,691,343,403.00/401,682.52
  6. Step 6: Final answer
    x = 218,310.08

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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.