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Finding the Fourth Proportional to 477,555.98, 659,023.56 and 262,691.33

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Solution

The fourth proportional to 477,555.98, 659,023.56 and 262,691.33 is: 362,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,555.98 : 659,023.56 = 262,691.33 : x
  2. Step 2: Convert to fraction form
    477,555.98/659,023.56 = 262,691.33/x
  3. Step 3: Cross multiply
    477,555.98x = 659,023.56 × 262,691.33
  4. Step 4: Simplify right side
    477,555.98x = 173,119,772,182.62
  5. Step 5: Solve for x
    x = 173,119,772,182.62/477,555.98
  6. Step 6: Final answer
    x = 362,512.00

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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.