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Finding the Fourth Proportional to 300,369.84, 412,301.96 and 265,616.76

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Solution

The fourth proportional to 300,369.84, 412,301.96 and 265,616.76 is: 364,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,369.84 : 412,301.96 = 265,616.76 : x
  2. Step 2: Convert to fraction form
    300,369.84/412,301.96 = 265,616.76/x
  3. Step 3: Cross multiply
    300,369.84x = 412,301.96 × 265,616.76
  4. Step 4: Simplify right side
    300,369.84x = 109,514,310,756.85
  5. Step 5: Solve for x
    x = 109,514,310,756.85/300,369.84
  6. Step 6: Final answer
    x = 364,598.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.