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Finding the Fourth Proportional to 477,187.72, 658,536.02 and 273,275.08

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Solution

The fourth proportional to 477,187.72, 658,536.02 and 273,275.08 is: 377,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,187.72 : 658,536.02 = 273,275.08 : x
  2. Step 2: Convert to fraction form
    477,187.72/658,536.02 = 273,275.08/x
  3. Step 3: Cross multiply
    477,187.72x = 658,536.02 × 273,275.08
  4. Step 4: Simplify right side
    477,187.72x = 179,961,483,548.38
  5. Step 5: Solve for x
    x = 179,961,483,548.38/477,187.72
  6. Step 6: Final answer
    x = 377,129.33

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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.