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Finding the Fourth Proportional to 590,494.80, 885,742.20 and 574,942.80

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Solution

The fourth proportional to 590,494.80, 885,742.20 and 574,942.80 is: 862,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,494.80 : 885,742.20 = 574,942.80 : x
  2. Step 2: Convert to fraction form
    590,494.80/885,742.20 = 574,942.80/x
  3. Step 3: Cross multiply
    590,494.80x = 885,742.20 × 574,942.80
  4. Step 4: Simplify right side
    590,494.80x = 509,251,100,546.16
  5. Step 5: Solve for x
    x = 509,251,100,546.16/590,494.80
  6. Step 6: Final answer
    x = 862,414.20

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Double scale
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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.