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Finding the Fourth Proportional to 450,850.60, 622,821.90 and 360,087.40

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Solution

The fourth proportional to 450,850.60, 622,821.90 and 360,087.40 is: 497,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,850.60 : 622,821.90 = 360,087.40 : x
  2. Step 2: Convert to fraction form
    450,850.60/622,821.90 = 360,087.40/x
  3. Step 3: Cross multiply
    450,850.60x = 622,821.90 × 360,087.40
  4. Step 4: Simplify right side
    450,850.60x = 224,270,318,634.06
  5. Step 5: Solve for x
    x = 224,270,318,634.06/450,850.60
  6. Step 6: Final answer
    x = 497,438.22

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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.