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Finding the Fourth Proportional to 365,621.70, 504,554.40 and 204,474.90

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Solution

The fourth proportional to 365,621.70, 504,554.40 and 204,474.90 is: 282,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,621.70 : 504,554.40 = 204,474.90 : x
  2. Step 2: Convert to fraction form
    365,621.70/504,554.40 = 204,474.90/x
  3. Step 3: Cross multiply
    365,621.70x = 504,554.40 × 204,474.90
  4. Step 4: Simplify right side
    365,621.70x = 103,168,710,484.56
  5. Step 5: Solve for x
    x = 103,168,710,484.56/365,621.70
  6. Step 6: Final answer
    x = 282,173.38

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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.