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Finding the Fourth Proportional to 424,878.48, 637,711.38 and 214,664.04

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Solution

The fourth proportional to 424,878.48, 637,711.38 and 214,664.04 is: 322,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,878.48 : 637,711.38 = 214,664.04 : x
  2. Step 2: Convert to fraction form
    424,878.48/637,711.38 = 214,664.04/x
  3. Step 3: Cross multiply
    424,878.48x = 637,711.38 × 214,664.04
  4. Step 4: Simplify right side
    424,878.48x = 136,893,701,184.78
  5. Step 5: Solve for x
    x = 136,893,701,184.78/424,878.48
  6. Step 6: Final answer
    x = 322,194.95

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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.