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Finding the Fourth Proportional to 322,220.07, 482,593.86 and 153,858.32

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Solution

The fourth proportional to 322,220.07, 482,593.86 and 153,858.32 is: 230,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,220.07 : 482,593.86 = 153,858.32 : x
  2. Step 2: Convert to fraction form
    322,220.07/482,593.86 = 153,858.32/x
  3. Step 3: Cross multiply
    322,220.07x = 482,593.86 × 153,858.32
  4. Step 4: Simplify right side
    322,220.07x = 74,251,078,128.95
  5. Step 5: Solve for x
    x = 74,251,078,128.95/322,220.07
  6. Step 6: Final answer
    x = 230,435.92

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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.