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Finding the Fourth Proportional to 302,753.40, 453,911.40 and 169,674.45

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Solution

The fourth proportional to 302,753.40, 453,911.40 and 169,674.45 is: 254,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,753.40 : 453,911.40 = 169,674.45 : x
  2. Step 2: Convert to fraction form
    302,753.40/453,911.40 = 169,674.45/x
  3. Step 3: Cross multiply
    302,753.40x = 453,911.40 × 169,674.45
  4. Step 4: Simplify right side
    302,753.40x = 77,017,167,143.73
  5. Step 5: Solve for x
    x = 77,017,167,143.73/302,753.40
  6. Step 6: Final answer
    x = 254,389.11

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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.