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Finding the Fourth Proportional to 352,679.56, 486,697.66 and 191,534.64

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Solution

The fourth proportional to 352,679.56, 486,697.66 and 191,534.64 is: 264,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,679.56 : 486,697.66 = 191,534.64 : x
  2. Step 2: Convert to fraction form
    352,679.56/486,697.66 = 191,534.64/x
  3. Step 3: Cross multiply
    352,679.56x = 486,697.66 × 191,534.64
  4. Step 4: Simplify right side
    352,679.56x = 93,219,461,096.94
  5. Step 5: Solve for x
    x = 93,219,461,096.94/352,679.56
  6. Step 6: Final answer
    x = 264,317.73

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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.