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Finding the Fourth Proportional to 300,905.50, 415,007.46 and 264,529.17

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Solution

The fourth proportional to 300,905.50, 415,007.46 and 264,529.17 is: 364,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,905.50 : 415,007.46 = 264,529.17 : x
  2. Step 2: Convert to fraction form
    300,905.50/415,007.46 = 264,529.17/x
  3. Step 3: Cross multiply
    300,905.50x = 415,007.46 × 264,529.17
  4. Step 4: Simplify right side
    300,905.50x = 109,781,575,539.93
  5. Step 5: Solve for x
    x = 109,781,575,539.93/300,905.50
  6. Step 6: Final answer
    x = 364,837.39

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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.