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Finding the Fourth Proportional to 493,971.72, 681,681.69 and 267,617.22

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Solution

The fourth proportional to 493,971.72, 681,681.69 and 267,617.22 is: 369,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,971.72 : 681,681.69 = 267,617.22 : x
  2. Step 2: Convert to fraction form
    493,971.72/681,681.69 = 267,617.22/x
  3. Step 3: Cross multiply
    493,971.72x = 681,681.69 × 267,617.22
  4. Step 4: Simplify right side
    493,971.72x = 182,429,758,802.70
  5. Step 5: Solve for x
    x = 182,429,758,802.70/493,971.72
  6. Step 6: Final answer
    x = 369,312.15

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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.