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Finding the Fourth Proportional to 530,838.84, 796,393.18 and 156,861.88

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Solution

The fourth proportional to 530,838.84, 796,393.18 and 156,861.88 is: 235,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,838.84 : 796,393.18 = 156,861.88 : x
  2. Step 2: Convert to fraction form
    530,838.84/796,393.18 = 156,861.88/x
  3. Step 3: Cross multiply
    530,838.84x = 796,393.18 × 156,861.88
  4. Step 4: Simplify right side
    530,838.84x = 124,923,731,433.98
  5. Step 5: Solve for x
    x = 124,923,731,433.98/530,838.84
  6. Step 6: Final answer
    x = 235,332.69

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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.