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Finding the Fourth Proportional to 722,740.05, 998,460.99 and 474,967.89

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Solution

The fourth proportional to 722,740.05, 998,460.99 and 474,967.89 is: 656,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,740.05 : 998,460.99 = 474,967.89 : x
  2. Step 2: Convert to fraction form
    722,740.05/998,460.99 = 474,967.89/x
  3. Step 3: Cross multiply
    722,740.05x = 998,460.99 × 474,967.89
  4. Step 4: Simplify right side
    722,740.05x = 474,236,909,667.61
  5. Step 5: Solve for x
    x = 474,236,909,667.61/722,740.05
  6. Step 6: Final answer
    x = 656,165.26

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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.