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Finding the Fourth Proportional to 477,157.48, 714,769.47 and 220,625.48

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Solution

The fourth proportional to 477,157.48, 714,769.47 and 220,625.48 is: 330,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,157.48 : 714,769.47 = 220,625.48 : x
  2. Step 2: Convert to fraction form
    477,157.48/714,769.47 = 220,625.48/x
  3. Step 3: Cross multiply
    477,157.48x = 714,769.47 × 220,625.48
  4. Step 4: Simplify right side
    477,157.48x = 157,696,359,195.02
  5. Step 5: Solve for x
    x = 157,696,359,195.02/477,157.48
  6. Step 6: Final answer
    x = 330,491.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.