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Finding the Fourth Proportional to 352,606.66, 486,477 and 225,355.66

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Solution

The fourth proportional to 352,606.66, 486,477 and 225,355.66 is: 310,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,606.66 : 486,477 = 225,355.66 : x
  2. Step 2: Convert to fraction form
    352,606.66/486,477 = 225,355.66/x
  3. Step 3: Cross multiply
    352,606.66x = 486,477 × 225,355.66
  4. Step 4: Simplify right side
    352,606.66x = 109,630,345,409.82
  5. Step 5: Solve for x
    x = 109,630,345,409.82/352,606.66
  6. Step 6: Final answer
    x = 310,914.00

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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.