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Finding the Fourth Proportional to 433,520.60, 651,836.10 and 365,091.80

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Solution

The fourth proportional to 433,520.60, 651,836.10 and 365,091.80 is: 548,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,520.60 : 651,836.10 = 365,091.80 : x
  2. Step 2: Convert to fraction form
    433,520.60/651,836.10 = 365,091.80/x
  3. Step 3: Cross multiply
    433,520.60x = 651,836.10 × 365,091.80
  4. Step 4: Simplify right side
    433,520.60x = 237,980,015,053.98
  5. Step 5: Solve for x
    x = 237,980,015,053.98/433,520.60
  6. Step 6: Final answer
    x = 548,947.42

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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.