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Finding the Fourth Proportional to 336,286, 464,084.40 and 185,392.72

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Solution

The fourth proportional to 336,286, 464,084.40 and 185,392.72 is: 255,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,286 : 464,084.40 = 185,392.72 : x
  2. Step 2: Convert to fraction form
    336,286/464,084.40 = 185,392.72/x
  3. Step 3: Cross multiply
    336,286x = 464,084.40 × 185,392.72
  4. Step 4: Simplify right side
    336,286x = 86,037,869,225.57
  5. Step 5: Solve for x
    x = 86,037,869,225.57/336,286
  6. Step 6: Final answer
    x = 255,847.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.