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Finding the Fourth Proportional to 365,690.19, 504,449.37 and 212,711.16

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Solution

The fourth proportional to 365,690.19, 504,449.37 and 212,711.16 is: 293,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,690.19 : 504,449.37 = 212,711.16 : x
  2. Step 2: Convert to fraction form
    365,690.19/504,449.37 = 212,711.16/x
  3. Step 3: Cross multiply
    365,690.19x = 504,449.37 × 212,711.16
  4. Step 4: Simplify right side
    365,690.19x = 107,302,010,653.97
  5. Step 5: Solve for x
    x = 107,302,010,653.97/365,690.19
  6. Step 6: Final answer
    x = 293,423.27

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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.