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Finding the Fourth Proportional to 477,892,463.48, 716,914,277.92 and 171,177,785.72

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Solution

The fourth proportional to 477,892,463.48, 716,914,277.92 and 171,177,785.72 is: 256,793,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,892,463.48 : 716,914,277.92 = 171,177,785.72 : x
  2. Step 2: Convert to fraction form
    477,892,463.48/716,914,277.92 = 171,177,785.72/x
  3. Step 3: Cross multiply
    477,892,463.48x = 716,914,277.92 × 171,177,785.72
  4. Step 4: Simplify right side
    477,892,463.48x = 122,719,798,645,398,272
  5. Step 5: Solve for x
    x = 122,719,798,645,398,272/477,892,463.48
  6. Step 6: Final answer
    x = 256,793,751.78

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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.