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Finding the Fourth Proportional to 737,543.40, 1,030,198.80 and 737,543.40

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Solution

The fourth proportional to 737,543.40, 1,030,198.80 and 737,543.40 is: 1,030,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,543.40 : 1,030,198.80 = 737,543.40 : x
  2. Step 2: Convert to fraction form
    737,543.40/1,030,198.80 = 737,543.40/x
  3. Step 3: Cross multiply
    737,543.40x = 1,030,198.80 × 737,543.40
  4. Step 4: Simplify right side
    737,543.40x = 759,816,325,627.92
  5. Step 5: Solve for x
    x = 759,816,325,627.92/737,543.40
  6. Step 6: Final answer
    x = 1,030,198.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.