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Finding the Fourth Proportional to 307,967.00, 424,982.50 and 193,307.24

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Solution

The fourth proportional to 307,967.00, 424,982.50 and 193,307.24 is: 266,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,967.00 : 424,982.50 = 193,307.24 : x
  2. Step 2: Convert to fraction form
    307,967.00/424,982.50 = 193,307.24/x
  3. Step 3: Cross multiply
    307,967.00x = 424,982.50 × 193,307.24
  4. Step 4: Simplify right side
    307,967.00x = 82,152,194,702.49
  5. Step 5: Solve for x
    x = 82,152,194,702.49/307,967.00
  6. Step 6: Final answer
    x = 266,756.49

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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.