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Finding the Fourth Proportional to 543,206.10, 814,485.15 and 332,994.90

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Solution

The fourth proportional to 543,206.10, 814,485.15 and 332,994.90 is: 499,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,206.10 : 814,485.15 = 332,994.90 : x
  2. Step 2: Convert to fraction form
    543,206.10/814,485.15 = 332,994.90/x
  3. Step 3: Cross multiply
    543,206.10x = 814,485.15 × 332,994.90
  4. Step 4: Simplify right side
    543,206.10x = 271,219,401,075.74
  5. Step 5: Solve for x
    x = 271,219,401,075.74/543,206.10
  6. Step 6: Final answer
    x = 499,293.73

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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.