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Finding the Fourth Proportional to 603,698.72, 905,678.74 and 183,006.32

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Solution

The fourth proportional to 603,698.72, 905,678.74 and 183,006.32 is: 274,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,698.72 : 905,678.74 = 183,006.32 : x
  2. Step 2: Convert to fraction form
    603,698.72/905,678.74 = 183,006.32/x
  3. Step 3: Cross multiply
    603,698.72x = 905,678.74 × 183,006.32
  4. Step 4: Simplify right side
    603,698.72x = 165,744,933,309.64
  5. Step 5: Solve for x
    x = 165,744,933,309.64/603,698.72
  6. Step 6: Final answer
    x = 274,549.09

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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.