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Finding the Fourth Proportional to 737,573.44, 1,107,235.04 and 620,700.16

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Solution

The fourth proportional to 737,573.44, 1,107,235.04 and 620,700.16 is: 931,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,573.44 : 1,107,235.04 = 620,700.16 : x
  2. Step 2: Convert to fraction form
    737,573.44/1,107,235.04 = 620,700.16/x
  3. Step 3: Cross multiply
    737,573.44x = 1,107,235.04 × 620,700.16
  4. Step 4: Simplify right side
    737,573.44x = 687,260,966,485.61
  5. Step 5: Solve for x
    x = 687,260,966,485.61/737,573.44
  6. Step 6: Final answer
    x = 931,786.49

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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.