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Finding the Fourth Proportional to 336,987.75, 465,043.50 and 186,084.75

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Solution

The fourth proportional to 336,987.75, 465,043.50 and 186,084.75 is: 256,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,987.75 : 465,043.50 = 186,084.75 : x
  2. Step 2: Convert to fraction form
    336,987.75/465,043.50 = 186,084.75/x
  3. Step 3: Cross multiply
    336,987.75x = 465,043.50 × 186,084.75
  4. Step 4: Simplify right side
    336,987.75x = 86,537,503,436.63
  5. Step 5: Solve for x
    x = 86,537,503,436.63/336,987.75
  6. Step 6: Final answer
    x = 256,797.18

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1.5x scale

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.