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Finding the Fourth Proportional to 424,893.48, 637,733.88 and 214,679.04

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Solution

The fourth proportional to 424,893.48, 637,733.88 and 214,679.04 is: 322,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,893.48 : 637,733.88 = 214,679.04 : x
  2. Step 2: Convert to fraction form
    424,893.48/637,733.88 = 214,679.04/x
  3. Step 3: Cross multiply
    424,893.48x = 637,733.88 × 214,679.04
  4. Step 4: Simplify right side
    424,893.48x = 136,908,097,133.88
  5. Step 5: Solve for x
    x = 136,908,097,133.88/424,893.48
  6. Step 6: Final answer
    x = 322,217.46

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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.