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Finding the Fourth Proportional to 836,730.80, 1,254,597 and 331,364.24

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Solution

The fourth proportional to 836,730.80, 1,254,597 and 331,364.24 is: 496,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,730.80 : 1,254,597 = 331,364.24 : x
  2. Step 2: Convert to fraction form
    836,730.80/1,254,597 = 331,364.24/x
  3. Step 3: Cross multiply
    836,730.80x = 1,254,597 × 331,364.24
  4. Step 4: Simplify right side
    836,730.80x = 415,728,581,411.28
  5. Step 5: Solve for x
    x = 415,728,581,411.28/836,730.80
  6. Step 6: Final answer
    x = 496,848.67

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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.