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Finding the Fourth Proportional to 826,216.80, 1,236,700.80 and 590,020.80

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Solution

The fourth proportional to 826,216.80, 1,236,700.80 and 590,020.80 is: 883,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,216.80 : 1,236,700.80 = 590,020.80 : x
  2. Step 2: Convert to fraction form
    826,216.80/1,236,700.80 = 590,020.80/x
  3. Step 3: Cross multiply
    826,216.80x = 1,236,700.80 × 590,020.80
  4. Step 4: Simplify right side
    826,216.80x = 729,679,195,376.64
  5. Step 5: Solve for x
    x = 729,679,195,376.64/826,216.80
  6. Step 6: Final answer
    x = 883,157.05

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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.