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Finding the Fourth Proportional to 336,436.74, 504,705.51 and 108,656.28

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Solution

The fourth proportional to 336,436.74, 504,705.51 and 108,656.28 is: 163,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,436.74 : 504,705.51 = 108,656.28 : x
  2. Step 2: Convert to fraction form
    336,436.74/504,705.51 = 108,656.28/x
  3. Step 3: Cross multiply
    336,436.74x = 504,705.51 × 108,656.28
  4. Step 4: Simplify right side
    336,436.74x = 54,839,423,212.10
  5. Step 5: Solve for x
    x = 54,839,423,212.10/336,436.74
  6. Step 6: Final answer
    x = 163,000.70

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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.