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Finding the Fourth Proportional to 349,364.34, 482,124.69 and 198,466.74

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Solution

The fourth proportional to 349,364.34, 482,124.69 and 198,466.74 is: 273,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,364.34 : 482,124.69 = 198,466.74 : x
  2. Step 2: Convert to fraction form
    349,364.34/482,124.69 = 198,466.74/x
  3. Step 3: Cross multiply
    349,364.34x = 482,124.69 × 198,466.74
  4. Step 4: Simplify right side
    349,364.34x = 95,685,715,497.81
  5. Step 5: Solve for x
    x = 95,685,715,497.81/349,364.34
  6. Step 6: Final answer
    x = 273,885.18

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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.