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Finding the Fourth Proportional to 537,907.80, 806,861.70 and 163,949.40

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Solution

The fourth proportional to 537,907.80, 806,861.70 and 163,949.40 is: 245,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,907.80 : 806,861.70 = 163,949.40 : x
  2. Step 2: Convert to fraction form
    537,907.80/806,861.70 = 163,949.40/x
  3. Step 3: Cross multiply
    537,907.80x = 806,861.70 × 163,949.40
  4. Step 4: Simplify right side
    537,907.80x = 132,284,491,597.98
  5. Step 5: Solve for x
    x = 132,284,491,597.98/537,907.80
  6. Step 6: Final answer
    x = 245,924.10

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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.