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Finding the Fourth Proportional to 424,806.48, 637,603.56 and 214,592.04

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Solution

The fourth proportional to 424,806.48, 637,603.56 and 214,592.04 is: 322,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,806.48 : 637,603.56 = 214,592.04 : x
  2. Step 2: Convert to fraction form
    424,806.48/637,603.56 = 214,592.04/x
  3. Step 3: Cross multiply
    424,806.48x = 637,603.56 × 214,592.04
  4. Step 4: Simplify right side
    424,806.48x = 136,824,648,651.66
  5. Step 5: Solve for x
    x = 136,824,648,651.66/424,806.48
  6. Step 6: Final answer
    x = 322,087.01

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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.