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Finding the Fourth Proportional to 462,305.74, 637,994.55 and 261,101.74

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Solution

The fourth proportional to 462,305.74, 637,994.55 and 261,101.74 is: 360,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,305.74 : 637,994.55 = 261,101.74 : x
  2. Step 2: Convert to fraction form
    462,305.74/637,994.55 = 261,101.74/x
  3. Step 3: Cross multiply
    462,305.74x = 637,994.55 × 261,101.74
  4. Step 4: Simplify right side
    462,305.74x = 166,581,487,115.52
  5. Step 5: Solve for x
    x = 166,581,487,115.52/462,305.74
  6. Step 6: Final answer
    x = 360,327.53

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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.