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Finding the Fourth Proportional to 373,720.40, 559,268.40 and 255,622.40

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Solution

The fourth proportional to 373,720.40, 559,268.40 and 255,622.40 is: 382,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,720.40 : 559,268.40 = 255,622.40 : x
  2. Step 2: Convert to fraction form
    373,720.40/559,268.40 = 255,622.40/x
  3. Step 3: Cross multiply
    373,720.40x = 559,268.40 × 255,622.40
  4. Step 4: Simplify right side
    373,720.40x = 142,961,530,652.16
  5. Step 5: Solve for x
    x = 142,961,530,652.16/373,720.40
  6. Step 6: Final answer
    x = 382,536.06

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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.