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Finding the Fourth Proportional to 477,561.48, 659,036.36 and 262,717.88

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Solution

The fourth proportional to 477,561.48, 659,036.36 and 262,717.88 is: 362,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,561.48 : 659,036.36 = 262,717.88 : x
  2. Step 2: Convert to fraction form
    477,561.48/659,036.36 = 262,717.88/x
  3. Step 3: Cross multiply
    477,561.48x = 659,036.36 × 262,717.88
  4. Step 4: Simplify right side
    477,561.48x = 173,140,635,342.12
  5. Step 5: Solve for x
    x = 173,140,635,342.12/477,561.48
  6. Step 6: Final answer
    x = 362,551.51

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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.