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Finding the Fourth Proportional to 506,503.62, 758,469.40 and 303,972.24

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Solution

The fourth proportional to 506,503.62, 758,469.40 and 303,972.24 is: 455,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,503.62 : 758,469.40 = 303,972.24 : x
  2. Step 2: Convert to fraction form
    506,503.62/758,469.40 = 303,972.24/x
  3. Step 3: Cross multiply
    506,503.62x = 758,469.40 × 303,972.24
  4. Step 4: Simplify right side
    506,503.62x = 230,553,642,489.46
  5. Step 5: Solve for x
    x = 230,553,642,489.46/506,503.62
  6. Step 6: Final answer
    x = 455,186.56

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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.