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Finding the Fourth Proportional to 492,053.40, 737,496.90 and 255,274.20

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Solution

The fourth proportional to 492,053.40, 737,496.90 and 255,274.20 is: 382,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,053.40 : 737,496.90 = 255,274.20 : x
  2. Step 2: Convert to fraction form
    492,053.40/737,496.90 = 255,274.20/x
  3. Step 3: Cross multiply
    492,053.40x = 737,496.90 × 255,274.20
  4. Step 4: Simplify right side
    492,053.40x = 188,263,931,149.98
  5. Step 5: Solve for x
    x = 188,263,931,149.98/492,053.40
  6. Step 6: Final answer
    x = 382,608.74

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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.