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Finding the Fourth Proportional to 352,703.16, 486,733.86 and 191,559.74

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Solution

The fourth proportional to 352,703.16, 486,733.86 and 191,559.74 is: 264,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,703.16 : 486,733.86 = 191,559.74 : x
  2. Step 2: Convert to fraction form
    352,703.16/486,733.86 = 191,559.74/x
  3. Step 3: Cross multiply
    352,703.16x = 486,733.86 × 191,559.74
  4. Step 4: Simplify right side
    352,703.16x = 93,238,609,237.13
  5. Step 5: Solve for x
    x = 93,238,609,237.13/352,703.16
  6. Step 6: Final answer
    x = 264,354.33

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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.