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Finding the Fourth Proportional to 330,452.64, 456,024.63 and 196,316.64

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Solution

The fourth proportional to 330,452.64, 456,024.63 and 196,316.64 is: 270,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,452.64 : 456,024.63 = 196,316.64 : x
  2. Step 2: Convert to fraction form
    330,452.64/456,024.63 = 196,316.64/x
  3. Step 3: Cross multiply
    330,452.64x = 456,024.63 × 196,316.64
  4. Step 4: Simplify right side
    330,452.64x = 89,525,223,118.84
  5. Step 5: Solve for x
    x = 89,525,223,118.84/330,452.64
  6. Step 6: Final answer
    x = 270,916.96

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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.