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Finding the Fourth Proportional to 302,625.40, 453,938.10 and 201,148.60

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Solution

The fourth proportional to 302,625.40, 453,938.10 and 201,148.60 is: 301,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,625.40 : 453,938.10 = 201,148.60 : x
  2. Step 2: Convert to fraction form
    302,625.40/453,938.10 = 201,148.60/x
  3. Step 3: Cross multiply
    302,625.40x = 453,938.10 × 201,148.60
  4. Step 4: Simplify right side
    302,625.40x = 91,309,013,301.66
  5. Step 5: Solve for x
    x = 91,309,013,301.66/302,625.40
  6. Step 6: Final answer
    x = 301,722.90

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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.