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Finding the Fourth Proportional to 302,705.40, 453,839.40 and 169,626.45

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Solution

The fourth proportional to 302,705.40, 453,839.40 and 169,626.45 is: 254,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,705.40 : 453,839.40 = 169,626.45 : x
  2. Step 2: Convert to fraction form
    302,705.40/453,839.40 = 169,626.45/x
  3. Step 3: Cross multiply
    302,705.40x = 453,839.40 × 169,626.45
  4. Step 4: Simplify right side
    302,705.40x = 76,983,166,292.13
  5. Step 5: Solve for x
    x = 76,983,166,292.13/302,705.40
  6. Step 6: Final answer
    x = 254,317.12

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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.