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Finding the Fourth Proportional to 416,028, 573,885.36 and 254,961.12

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Solution

The fourth proportional to 416,028, 573,885.36 and 254,961.12 is: 351,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,028 : 573,885.36 = 254,961.12 : x
  2. Step 2: Convert to fraction form
    416,028/573,885.36 = 254,961.12/x
  3. Step 3: Cross multiply
    416,028x = 573,885.36 × 254,961.12
  4. Step 4: Simplify right side
    416,028x = 146,318,454,137.20
  5. Step 5: Solve for x
    x = 146,318,454,137.20/416,028
  6. Step 6: Final answer
    x = 351,703.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.