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Finding the Fourth Proportional to 336,015.40, 504,023.10 and 273,029.80

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Solution

The fourth proportional to 336,015.40, 504,023.10 and 273,029.80 is: 409,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,015.40 : 504,023.10 = 273,029.80 : x
  2. Step 2: Convert to fraction form
    336,015.40/504,023.10 = 273,029.80/x
  3. Step 3: Cross multiply
    336,015.40x = 504,023.10 × 273,029.80
  4. Step 4: Simplify right side
    336,015.40x = 137,613,326,188.38
  5. Step 5: Solve for x
    x = 137,613,326,188.38/336,015.40
  6. Step 6: Final answer
    x = 409,544.70

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1.5x scale

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.