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Finding the Fourth Proportional to 329,528.80, 494,293.20 and 194,809.60

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Solution

The fourth proportional to 329,528.80, 494,293.20 and 194,809.60 is: 292,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,528.80 : 494,293.20 = 194,809.60 : x
  2. Step 2: Convert to fraction form
    329,528.80/494,293.20 = 194,809.60/x
  3. Step 3: Cross multiply
    329,528.80x = 494,293.20 × 194,809.60
  4. Step 4: Simplify right side
    329,528.80x = 96,293,060,574.72
  5. Step 5: Solve for x
    x = 96,293,060,574.72/329,528.80
  6. Step 6: Final answer
    x = 292,214.40

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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.