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Finding the Fourth Proportional to 369,238.46, 553,808.46 and 102,976.68

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Solution

The fourth proportional to 369,238.46, 553,808.46 and 102,976.68 is: 154,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,238.46 : 553,808.46 = 102,976.68 : x
  2. Step 2: Convert to fraction form
    369,238.46/553,808.46 = 102,976.68/x
  3. Step 3: Cross multiply
    369,238.46x = 553,808.46 × 102,976.68
  4. Step 4: Simplify right side
    369,238.46x = 57,029,356,566.71
  5. Step 5: Solve for x
    x = 57,029,356,566.71/369,238.46
  6. Step 6: Final answer
    x = 154,451.29

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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.