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Finding the Fourth Proportional to 393,252.84, 589,892.32 and 108,946.27

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Solution

The fourth proportional to 393,252.84, 589,892.32 and 108,946.27 is: 163,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,252.84 : 589,892.32 = 108,946.27 : x
  2. Step 2: Convert to fraction form
    393,252.84/589,892.32 = 108,946.27/x
  3. Step 3: Cross multiply
    393,252.84x = 589,892.32 × 108,946.27
  4. Step 4: Simplify right side
    393,252.84x = 64,266,565,521.05
  5. Step 5: Solve for x
    x = 64,266,565,521.05/393,252.84
  6. Step 6: Final answer
    x = 163,423.02

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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.