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Finding the Fourth Proportional to 352,756.83, 486,808.02 and 191,615.03

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Solution

The fourth proportional to 352,756.83, 486,808.02 and 191,615.03 is: 264,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,756.83 : 486,808.02 = 191,615.03 : x
  2. Step 2: Convert to fraction form
    352,756.83/486,808.02 = 191,615.03/x
  3. Step 3: Cross multiply
    352,756.83x = 486,808.02 × 191,615.03
  4. Step 4: Simplify right side
    352,756.83x = 93,279,730,922.50
  5. Step 5: Solve for x
    x = 93,279,730,922.50/352,756.83
  6. Step 6: Final answer
    x = 264,430.69

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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.