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Finding the Fourth Proportional to 196,356.70, 294,535.05 and 169,630.30

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Solution

The fourth proportional to 196,356.70, 294,535.05 and 169,630.30 is: 254,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,356.70 : 294,535.05 = 169,630.30 : x
  2. Step 2: Convert to fraction form
    196,356.70/294,535.05 = 169,630.30/x
  3. Step 3: Cross multiply
    196,356.70x = 294,535.05 × 169,630.30
  4. Step 4: Simplify right side
    196,356.70x = 49,962,068,892.02
  5. Step 5: Solve for x
    x = 49,962,068,892.02/196,356.70
  6. Step 6: Final answer
    x = 254,445.45

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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.