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Finding the Fourth Proportional to 352,681.43, 486,700.26 and 191,536.52

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Solution

The fourth proportional to 352,681.43, 486,700.26 and 191,536.52 is: 264,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,681.43 : 486,700.26 = 191,536.52 : x
  2. Step 2: Convert to fraction form
    352,681.43/486,700.26 = 191,536.52/x
  3. Step 3: Cross multiply
    352,681.43x = 486,700.26 × 191,536.52
  4. Step 4: Simplify right side
    352,681.43x = 93,220,874,083.50
  5. Step 5: Solve for x
    x = 93,220,874,083.50/352,681.43
  6. Step 6: Final answer
    x = 264,320.34

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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.