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Finding the Fourth Proportional to 474,149.70, 654,389.28 and 270,274.32

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Solution

The fourth proportional to 474,149.70, 654,389.28 and 270,274.32 is: 373,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,149.70 : 654,389.28 = 270,274.32 : x
  2. Step 2: Convert to fraction form
    474,149.70/654,389.28 = 270,274.32/x
  3. Step 3: Cross multiply
    474,149.70x = 654,389.28 × 270,274.32
  4. Step 4: Simplify right side
    474,149.70x = 176,864,617,667.29
  5. Step 5: Solve for x
    x = 176,864,617,667.29/474,149.70
  6. Step 6: Final answer
    x = 373,014.30

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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.