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Finding the Fourth Proportional to 603,721.35, 905,582.03 and 603,721.35

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Solution

The fourth proportional to 603,721.35, 905,582.03 and 603,721.35 is: 905,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,721.35 : 905,582.03 = 603,721.35 : x
  2. Step 2: Convert to fraction form
    603,721.35/905,582.03 = 603,721.35/x
  3. Step 3: Cross multiply
    603,721.35x = 905,582.03 × 603,721.35
  4. Step 4: Simplify right side
    603,721.35x = 546,719,202,668.73
  5. Step 5: Solve for x
    x = 546,719,202,668.73/603,721.35
  6. Step 6: Final answer
    x = 905,582.03

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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.