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Finding the Fourth Proportional to 394,457.00, 544,350.83 and 213,168.87

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Solution

The fourth proportional to 394,457.00, 544,350.83 and 213,168.87 is: 294,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,457.00 : 544,350.83 = 213,168.87 : x
  2. Step 2: Convert to fraction form
    394,457.00/544,350.83 = 213,168.87/x
  3. Step 3: Cross multiply
    394,457.00x = 544,350.83 × 213,168.87
  4. Step 4: Simplify right side
    394,457.00x = 116,038,650,248.82
  5. Step 5: Solve for x
    x = 116,038,650,248.82/394,457.00
  6. Step 6: Final answer
    x = 294,173.13

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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.