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Finding the Fourth Proportional to 477,543.75, 659,003.31 and 262,671

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Solution

The fourth proportional to 477,543.75, 659,003.31 and 262,671 is: 362,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,543.75 : 659,003.31 = 262,671 : x
  2. Step 2: Convert to fraction form
    477,543.75/659,003.31 = 262,671/x
  3. Step 3: Cross multiply
    477,543.75x = 659,003.31 × 262,671
  4. Step 4: Simplify right side
    477,543.75x = 173,101,058,441.01
  5. Step 5: Solve for x
    x = 173,101,058,441.01/477,543.75
  6. Step 6: Final answer
    x = 362,482.09

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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.