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Finding the Fourth Proportional to 603,721.55, 903,614.03 and 603,721.55

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Solution

The fourth proportional to 603,721.55, 903,614.03 and 603,721.55 is: 903,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,721.55 : 903,614.03 = 603,721.55 : x
  2. Step 2: Convert to fraction form
    603,721.55/903,614.03 = 603,721.55/x
  3. Step 3: Cross multiply
    603,721.55x = 903,614.03 × 603,721.55
  4. Step 4: Simplify right side
    603,721.55x = 545,531,259,774.74
  5. Step 5: Solve for x
    x = 545,531,259,774.74/603,721.55
  6. Step 6: Final answer
    x = 903,614.03

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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.