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Finding the Fourth Proportional to 322,883.78, 484,325.73 and 98,224.20

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Solution

The fourth proportional to 322,883.78, 484,325.73 and 98,224.20 is: 147,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,883.78 : 484,325.73 = 98,224.20 : x
  2. Step 2: Convert to fraction form
    322,883.78/484,325.73 = 98,224.20/x
  3. Step 3: Cross multiply
    322,883.78x = 484,325.73 × 98,224.20
  4. Step 4: Simplify right side
    322,883.78x = 47,572,507,368.67
  5. Step 5: Solve for x
    x = 47,572,507,368.67/322,883.78
  6. Step 6: Final answer
    x = 147,336.32

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1.5x scale

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.