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Finding the Fourth Proportional to 302,705.40, 453,839.40 and 169,626.46

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Solution

The fourth proportional to 302,705.40, 453,839.40 and 169,626.46 is: 254,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,705.40 : 453,839.40 = 169,626.46 : x
  2. Step 2: Convert to fraction form
    302,705.40/453,839.40 = 169,626.46/x
  3. Step 3: Cross multiply
    302,705.40x = 453,839.40 × 169,626.46
  4. Step 4: Simplify right side
    302,705.40x = 76,983,170,830.52
  5. Step 5: Solve for x
    x = 76,983,170,830.52/302,705.40
  6. Step 6: Final answer
    x = 254,317.14

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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.