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Finding the Fourth Proportional to 477,269.55, 714,346.56 and 350,876.34

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Solution

The fourth proportional to 477,269.55, 714,346.56 and 350,876.34 is: 525,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,269.55 : 714,346.56 = 350,876.34 : x
  2. Step 2: Convert to fraction form
    477,269.55/714,346.56 = 350,876.34/x
  3. Step 3: Cross multiply
    477,269.55x = 714,346.56 × 350,876.34
  4. Step 4: Simplify right side
    477,269.55x = 250,647,306,464.39
  5. Step 5: Solve for x
    x = 250,647,306,464.39/477,269.55
  6. Step 6: Final answer
    x = 525,169.28

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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.