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Finding the Fourth Proportional to 477,186.72, 658,534.64 and 273,274.08

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Solution

The fourth proportional to 477,186.72, 658,534.64 and 273,274.08 is: 377,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,186.72 : 658,534.64 = 273,274.08 : x
  2. Step 2: Convert to fraction form
    477,186.72/658,534.64 = 273,274.08/x
  3. Step 3: Cross multiply
    477,186.72x = 658,534.64 × 273,274.08
  4. Step 4: Simplify right side
    477,186.72x = 179,960,447,894.13
  5. Step 5: Solve for x
    x = 179,960,447,894.13/477,186.72
  6. Step 6: Final answer
    x = 377,127.95

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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.