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Finding the Fourth Proportional to 477,960.15, 716,940.23 and 411,475.35

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Solution

The fourth proportional to 477,960.15, 716,940.23 and 411,475.35 is: 617,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,960.15 : 716,940.23 = 411,475.35 : x
  2. Step 2: Convert to fraction form
    477,960.15/716,940.23 = 411,475.35/x
  3. Step 3: Cross multiply
    477,960.15x = 716,940.23 × 411,475.35
  4. Step 4: Simplify right side
    477,960.15x = 295,003,230,010.95
  5. Step 5: Solve for x
    x = 295,003,230,010.95/477,960.15
  6. Step 6: Final answer
    x = 617,213.03

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Similar ratio
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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.