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Finding the Fourth Proportional to 397,427.60, 596,141.40 and 367,014.80

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Solution

The fourth proportional to 397,427.60, 596,141.40 and 367,014.80 is: 550,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,427.60 : 596,141.40 = 367,014.80 : x
  2. Step 2: Convert to fraction form
    397,427.60/596,141.40 = 367,014.80/x
  3. Step 3: Cross multiply
    397,427.60x = 596,141.40 × 367,014.80
  4. Step 4: Simplify right side
    397,427.60x = 218,792,716,692.72
  5. Step 5: Solve for x
    x = 218,792,716,692.72/397,427.60
  6. Step 6: Final answer
    x = 550,522.20

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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.