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Finding the Fourth Proportional to 322,563.89, 445,153.35 and 179,326.32

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Solution

The fourth proportional to 322,563.89, 445,153.35 and 179,326.32 is: 247,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,563.89 : 445,153.35 = 179,326.32 : x
  2. Step 2: Convert to fraction form
    322,563.89/445,153.35 = 179,326.32/x
  3. Step 3: Cross multiply
    322,563.89x = 445,153.35 × 179,326.32
  4. Step 4: Simplify right side
    322,563.89x = 79,827,712,091.17
  5. Step 5: Solve for x
    x = 79,827,712,091.17/322,563.89
  6. Step 6: Final answer
    x = 247,478.77

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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.