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Finding the Fourth Proportional to 545,847.20, 818,770.80 and 335,603.60

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Solution

The fourth proportional to 545,847.20, 818,770.80 and 335,603.60 is: 503,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.20 : 818,770.80 = 335,603.60 : x
  2. Step 2: Convert to fraction form
    545,847.20/818,770.80 = 335,603.60/x
  3. Step 3: Cross multiply
    545,847.20x = 818,770.80 × 335,603.60
  4. Step 4: Simplify right side
    545,847.20x = 274,782,428,054.88
  5. Step 5: Solve for x
    x = 274,782,428,054.88/545,847.20
  6. Step 6: Final answer
    x = 503,405.40

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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.