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Finding the Fourth Proportional to 302,693.30, 454,083.15 and 102,979.70

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Solution

The fourth proportional to 302,693.30, 454,083.15 and 102,979.70 is: 154,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,693.30 : 454,083.15 = 102,979.70 : x
  2. Step 2: Convert to fraction form
    302,693.30/454,083.15 = 102,979.70/x
  3. Step 3: Cross multiply
    302,693.30x = 454,083.15 × 102,979.70
  4. Step 4: Simplify right side
    302,693.30x = 46,761,346,562.06
  5. Step 5: Solve for x
    x = 46,761,346,562.06/302,693.30
  6. Step 6: Final answer
    x = 154,484.25

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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.