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Finding the Fourth Proportional to 351,221.01, 484,355.99 and 233,139.06

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Solution

The fourth proportional to 351,221.01, 484,355.99 and 233,139.06 is: 321,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,221.01 : 484,355.99 = 233,139.06 : x
  2. Step 2: Convert to fraction form
    351,221.01/484,355.99 = 233,139.06/x
  3. Step 3: Cross multiply
    351,221.01x = 484,355.99 × 233,139.06
  4. Step 4: Simplify right side
    351,221.01x = 112,922,299,048.27
  5. Step 5: Solve for x
    x = 112,922,299,048.27/351,221.01
  6. Step 6: Final answer
    x = 321,513.51

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1.5x scale

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.