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Finding the Fourth Proportional to 629,187.66, 943,421.67 and 292,054.86

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Solution

The fourth proportional to 629,187.66, 943,421.67 and 292,054.86 is: 437,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,187.66 : 943,421.67 = 292,054.86 : x
  2. Step 2: Convert to fraction form
    629,187.66/943,421.67 = 292,054.86/x
  3. Step 3: Cross multiply
    629,187.66x = 943,421.67 × 292,054.86
  4. Step 4: Simplify right side
    629,187.66x = 275,530,883,752.82
  5. Step 5: Solve for x
    x = 275,530,883,752.82/629,187.66
  6. Step 6: Final answer
    x = 437,915.27

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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.