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Finding the Fourth Proportional to 477,202.72, 658,541.10 and 273,256.72

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Solution

The fourth proportional to 477,202.72, 658,541.10 and 273,256.72 is: 377,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,202.72 : 658,541.10 = 273,256.72 : x
  2. Step 2: Convert to fraction form
    477,202.72/658,541.10 = 273,256.72/x
  3. Step 3: Cross multiply
    477,202.72x = 658,541.10 × 273,256.72
  4. Step 4: Simplify right side
    477,202.72x = 179,950,780,971.19
  5. Step 5: Solve for x
    x = 179,950,780,971.19/477,202.72
  6. Step 6: Final answer
    x = 377,095.04

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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.