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Finding the Fourth Proportional to 403,379.70, 604,847.96 and 277,051.73

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Solution

The fourth proportional to 403,379.70, 604,847.96 and 277,051.73 is: 415,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,379.70 : 604,847.96 = 277,051.73 : x
  2. Step 2: Convert to fraction form
    403,379.70/604,847.96 = 277,051.73/x
  3. Step 3: Cross multiply
    403,379.70x = 604,847.96 × 277,051.73
  4. Step 4: Simplify right side
    403,379.70x = 167,574,170,334.42
  5. Step 5: Solve for x
    x = 167,574,170,334.42/403,379.70
  6. Step 6: Final answer
    x = 415,425.40

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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.