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Finding the Fourth Proportional to 323,803.07, 446,848.65 and 178,605.59

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Solution

The fourth proportional to 323,803.07, 446,848.65 and 178,605.59 is: 246,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,803.07 : 446,848.65 = 178,605.59 : x
  2. Step 2: Convert to fraction form
    323,803.07/446,848.65 = 178,605.59/x
  3. Step 3: Cross multiply
    323,803.07x = 446,848.65 × 178,605.59
  4. Step 4: Simplify right side
    323,803.07x = 79,809,664,539.71
  5. Step 5: Solve for x
    x = 79,809,664,539.71/323,803.07
  6. Step 6: Final answer
    x = 246,475.94

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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.