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Finding the Fourth Proportional to 352,613.66, 486,603.06 and 199,647.59

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Solution

The fourth proportional to 352,613.66, 486,603.06 and 199,647.59 is: 275,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.66 : 486,603.06 = 199,647.59 : x
  2. Step 2: Convert to fraction form
    352,613.66/486,603.06 = 199,647.59/x
  3. Step 3: Cross multiply
    352,613.66x = 486,603.06 × 199,647.59
  4. Step 4: Simplify right side
    352,613.66x = 97,149,128,215.63
  5. Step 5: Solve for x
    x = 97,149,128,215.63/352,613.66
  6. Step 6: Final answer
    x = 275,511.53

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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.