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Finding the Fourth Proportional to 298,253.96, 447,332.60 and 95,840.49

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Solution

The fourth proportional to 298,253.96, 447,332.60 and 95,840.49 is: 143,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,253.96 : 447,332.60 = 95,840.49 : x
  2. Step 2: Convert to fraction form
    298,253.96/447,332.60 = 95,840.49/x
  3. Step 3: Cross multiply
    298,253.96x = 447,332.60 × 95,840.49
  4. Step 4: Simplify right side
    298,253.96x = 42,872,575,816.58
  5. Step 5: Solve for x
    x = 42,872,575,816.58/298,253.96
  6. Step 6: Final answer
    x = 143,745.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.