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Finding the Fourth Proportional to 464,758.56, 641,366.76 and 263,554.56

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Solution

The fourth proportional to 464,758.56, 641,366.76 and 263,554.56 is: 363,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,758.56 : 641,366.76 = 263,554.56 : x
  2. Step 2: Convert to fraction form
    464,758.56/641,366.76 = 263,554.56/x
  3. Step 3: Cross multiply
    464,758.56x = 641,366.76 × 263,554.56
  4. Step 4: Simplify right side
    464,758.56x = 169,035,134,230.43
  5. Step 5: Solve for x
    x = 169,035,134,230.43/464,758.56
  6. Step 6: Final answer
    x = 363,705.26

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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.