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Finding the Fourth Proportional to 336,365.78, 503,977.70 and 202,965.72

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Solution

The fourth proportional to 336,365.78, 503,977.70 and 202,965.72 is: 304,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,365.78 : 503,977.70 = 202,965.72 : x
  2. Step 2: Convert to fraction form
    336,365.78/503,977.70 = 202,965.72/x
  3. Step 3: Cross multiply
    336,365.78x = 503,977.70 × 202,965.72
  4. Step 4: Simplify right side
    336,365.78x = 102,290,196,744.44
  5. Step 5: Solve for x
    x = 102,290,196,744.44/336,365.78
  6. Step 6: Final answer
    x = 304,104.05

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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.