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Finding the Fourth Proportional to 377,466.48, 520,920.87 and 234,272.64

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Solution

The fourth proportional to 377,466.48, 520,920.87 and 234,272.64 is: 323,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,466.48 : 520,920.87 = 234,272.64 : x
  2. Step 2: Convert to fraction form
    377,466.48/520,920.87 = 234,272.64/x
  3. Step 3: Cross multiply
    377,466.48x = 520,920.87 × 234,272.64
  4. Step 4: Simplify right side
    377,466.48x = 122,037,507,446.00
  5. Step 5: Solve for x
    x = 122,037,507,446.00/377,466.48
  6. Step 6: Final answer
    x = 323,306.87

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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.