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Finding the Fourth Proportional to 984,133.80, 1,476,200.70 and 274,271.40

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Solution

The fourth proportional to 984,133.80, 1,476,200.70 and 274,271.40 is: 411,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,133.80 : 1,476,200.70 = 274,271.40 : x
  2. Step 2: Convert to fraction form
    984,133.80/1,476,200.70 = 274,271.40/x
  3. Step 3: Cross multiply
    984,133.80x = 1,476,200.70 × 274,271.40
  4. Step 4: Simplify right side
    984,133.80x = 404,879,632,669.98
  5. Step 5: Solve for x
    x = 404,879,632,669.98/984,133.80
  6. Step 6: Final answer
    x = 411,407.10

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Double scale
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Similar ratio
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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.