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Finding the Fourth Proportional to 545,179.94, 752,348.22 and 303,457.34

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Solution

The fourth proportional to 545,179.94, 752,348.22 and 303,457.34 is: 418,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,179.94 : 752,348.22 = 303,457.34 : x
  2. Step 2: Convert to fraction form
    545,179.94/752,348.22 = 303,457.34/x
  3. Step 3: Cross multiply
    545,179.94x = 752,348.22 × 303,457.34
  4. Step 4: Simplify right side
    545,179.94x = 228,305,589,594.94
  5. Step 5: Solve for x
    x = 228,305,589,594.94/545,179.94
  6. Step 6: Final answer
    x = 418,771.08

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Double scale
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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.