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Finding the Fourth Proportional to 629,922.60, 944,883.90 and 574,810.20

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Solution

The fourth proportional to 629,922.60, 944,883.90 and 574,810.20 is: 862,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,922.60 : 944,883.90 = 574,810.20 : x
  2. Step 2: Convert to fraction form
    629,922.60/944,883.90 = 574,810.20/x
  3. Step 3: Cross multiply
    629,922.60x = 944,883.90 × 574,810.20
  4. Step 4: Simplify right side
    629,922.60x = 543,128,903,535.78
  5. Step 5: Solve for x
    x = 543,128,903,535.78/629,922.60
  6. Step 6: Final answer
    x = 862,215.30

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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.