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Finding the Fourth Proportional to 302,694.40, 454,300.80 and 134,473.60

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Solution

The fourth proportional to 302,694.40, 454,300.80 and 134,473.60 is: 201,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,694.40 : 454,300.80 = 134,473.60 : x
  2. Step 2: Convert to fraction form
    302,694.40/454,300.80 = 134,473.60/x
  3. Step 3: Cross multiply
    302,694.40x = 454,300.80 × 134,473.60
  4. Step 4: Simplify right side
    302,694.40x = 61,091,464,058.88
  5. Step 5: Solve for x
    x = 61,091,464,058.88/302,694.40
  6. Step 6: Final answer
    x = 201,825.55

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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.