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Finding the Fourth Proportional to 268,205.60, 402,308.40 and 264,058.40

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Solution

The fourth proportional to 268,205.60, 402,308.40 and 264,058.40 is: 396,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,205.60 : 402,308.40 = 264,058.40 : x
  2. Step 2: Convert to fraction form
    268,205.60/402,308.40 = 264,058.40/x
  3. Step 3: Cross multiply
    268,205.60x = 402,308.40 × 264,058.40
  4. Step 4: Simplify right side
    268,205.60x = 106,232,912,410.56
  5. Step 5: Solve for x
    x = 106,232,912,410.56/268,205.60
  6. Step 6: Final answer
    x = 396,087.60

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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.