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Finding the Fourth Proportional to 352,596.16, 486,462.54 and 225,345.16

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Solution

The fourth proportional to 352,596.16, 486,462.54 and 225,345.16 is: 310,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,596.16 : 486,462.54 = 225,345.16 : x
  2. Step 2: Convert to fraction form
    352,596.16/486,462.54 = 225,345.16/x
  3. Step 3: Cross multiply
    352,596.16x = 486,462.54 × 225,345.16
  4. Step 4: Simplify right side
    352,596.16x = 109,621,978,910.31
  5. Step 5: Solve for x
    x = 109,621,978,910.31/352,596.16
  6. Step 6: Final answer
    x = 310,899.53

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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.