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Finding the Fourth Proportional to 898,227.70, 1,348,325.70 and 561,648.40

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Solution

The fourth proportional to 898,227.70, 1,348,325.70 and 561,648.40 is: 843,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,227.70 : 1,348,325.70 = 561,648.40 : x
  2. Step 2: Convert to fraction form
    898,227.70/1,348,325.70 = 561,648.40/x
  3. Step 3: Cross multiply
    898,227.70x = 1,348,325.70 × 561,648.40
  4. Step 4: Simplify right side
    898,227.70x = 757,284,972,083.88
  5. Step 5: Solve for x
    x = 757,284,972,083.88/898,227.70
  6. Step 6: Final answer
    x = 843,087.97

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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.