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Finding the Fourth Proportional to 633,183.60, 873,793.44 and 346,721.28

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Solution

The fourth proportional to 633,183.60, 873,793.44 and 346,721.28 is: 478,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,183.60 : 873,793.44 = 346,721.28 : x
  2. Step 2: Convert to fraction form
    633,183.60/873,793.44 = 346,721.28/x
  3. Step 3: Cross multiply
    633,183.60x = 873,793.44 × 346,721.28
  4. Step 4: Simplify right side
    633,183.60x = 302,962,779,972.40
  5. Step 5: Solve for x
    x = 302,962,779,972.40/633,183.60
  6. Step 6: Final answer
    x = 478,475.41

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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.