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Finding the Fourth Proportional to 301,605.40, 452,472.90 and 91,264.60

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Solution

The fourth proportional to 301,605.40, 452,472.90 and 91,264.60 is: 136,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,605.40 : 452,472.90 = 91,264.60 : x
  2. Step 2: Convert to fraction form
    301,605.40/452,472.90 = 91,264.60/x
  3. Step 3: Cross multiply
    301,605.40x = 452,472.90 × 91,264.60
  4. Step 4: Simplify right side
    301,605.40x = 41,294,758,229.34
  5. Step 5: Solve for x
    x = 41,294,758,229.34/301,605.40
  6. Step 6: Final answer
    x = 136,916.51

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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.