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Finding the Fourth Proportional to 394,477.96, 544,417.68 and 233,384.80

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Solution

The fourth proportional to 394,477.96, 544,417.68 and 233,384.80 is: 322,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,477.96 : 544,417.68 = 233,384.80 : x
  2. Step 2: Convert to fraction form
    394,477.96/544,417.68 = 233,384.80/x
  3. Step 3: Cross multiply
    394,477.96x = 544,417.68 × 233,384.80
  4. Step 4: Simplify right side
    394,477.96x = 127,058,811,363.26
  5. Step 5: Solve for x
    x = 127,058,811,363.26/394,477.96
  6. Step 6: Final answer
    x = 322,093.56

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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.