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Finding the Fourth Proportional to 604,211.72, 833,834.12 and 346,138.55

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Solution

The fourth proportional to 604,211.72, 833,834.12 and 346,138.55 is: 477,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,211.72 : 833,834.12 = 346,138.55 : x
  2. Step 2: Convert to fraction form
    604,211.72/833,834.12 = 346,138.55/x
  3. Step 3: Cross multiply
    604,211.72x = 833,834.12 × 346,138.55
  4. Step 4: Simplify right side
    604,211.72x = 288,622,129,933.50
  5. Step 5: Solve for x
    x = 288,622,129,933.50/604,211.72
  6. Step 6: Final answer
    x = 477,683.76

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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.