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Finding the Fourth Proportional to 329,899.92, 455,125.68 and 222,503.64

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Solution

The fourth proportional to 329,899.92, 455,125.68 and 222,503.64 is: 306,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,899.92 : 455,125.68 = 222,503.64 : x
  2. Step 2: Convert to fraction form
    329,899.92/455,125.68 = 222,503.64/x
  3. Step 3: Cross multiply
    329,899.92x = 455,125.68 × 222,503.64
  4. Step 4: Simplify right side
    329,899.92x = 101,267,120,457.48
  5. Step 5: Solve for x
    x = 101,267,120,457.48/329,899.92
  6. Step 6: Final answer
    x = 306,963.16

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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.