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Finding the Fourth Proportional to 492,077.40, 737,532.90 and 255,298.20

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Solution

The fourth proportional to 492,077.40, 737,532.90 and 255,298.20 is: 382,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,077.40 : 737,532.90 = 255,298.20 : x
  2. Step 2: Convert to fraction form
    492,077.40/737,532.90 = 255,298.20/x
  3. Step 3: Cross multiply
    492,077.40x = 737,532.90 × 255,298.20
  4. Step 4: Simplify right side
    492,077.40x = 188,290,821,810.78
  5. Step 5: Solve for x
    x = 188,290,821,810.78/492,077.40
  6. Step 6: Final answer
    x = 382,644.73

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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.