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Finding the Fourth Proportional to 474,700.26, 712,112.96 and 154,740.03

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Solution

The fourth proportional to 474,700.26, 712,112.96 and 154,740.03 is: 232,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,700.26 : 712,112.96 = 154,740.03 : x
  2. Step 2: Convert to fraction form
    474,700.26/712,112.96 = 154,740.03/x
  3. Step 3: Cross multiply
    474,700.26x = 712,112.96 × 154,740.03
  4. Step 4: Simplify right side
    474,700.26x = 110,192,377,620.07
  5. Step 5: Solve for x
    x = 110,192,377,620.07/474,700.26
  6. Step 6: Final answer
    x = 232,130.43

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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.