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Finding the Fourth Proportional to 306,058.40, 459,087.60 and 206,525.60

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Solution

The fourth proportional to 306,058.40, 459,087.60 and 206,525.60 is: 309,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,058.40 : 459,087.60 = 206,525.60 : x
  2. Step 2: Convert to fraction form
    306,058.40/459,087.60 = 206,525.60/x
  3. Step 3: Cross multiply
    306,058.40x = 459,087.60 × 206,525.60
  4. Step 4: Simplify right side
    306,058.40x = 94,813,342,042.56
  5. Step 5: Solve for x
    x = 94,813,342,042.56/306,058.40
  6. Step 6: Final answer
    x = 309,788.40

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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.