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Finding the Fourth Proportional to 537,191.80, 804,912.90 and 395,474.20

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Solution

The fourth proportional to 537,191.80, 804,912.90 and 395,474.20 is: 592,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,191.80 : 804,912.90 = 395,474.20 : x
  2. Step 2: Convert to fraction form
    537,191.80/804,912.90 = 395,474.20/x
  3. Step 3: Cross multiply
    537,191.80x = 804,912.90 × 395,474.20
  4. Step 4: Simplify right side
    537,191.80x = 318,322,285,197.18
  5. Step 5: Solve for x
    x = 318,322,285,197.18/537,191.80
  6. Step 6: Final answer
    x = 592,567.28

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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.