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Finding the Fourth Proportional to 898,251.70, 1,348,361.70 and 561,672.40

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Solution

The fourth proportional to 898,251.70, 1,348,361.70 and 561,672.40 is: 843,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,251.70 : 1,348,361.70 = 561,672.40 : x
  2. Step 2: Convert to fraction form
    898,251.70/1,348,361.70 = 561,672.40/x
  3. Step 3: Cross multiply
    898,251.70x = 1,348,361.70 × 561,672.40
  4. Step 4: Simplify right side
    898,251.70x = 757,337,552,107.08
  5. Step 5: Solve for x
    x = 757,337,552,107.08/898,251.70
  6. Step 6: Final answer
    x = 843,123.98

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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.