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Finding the Fourth Proportional to 626,533.62, 939,953.51 and 200,069.54

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Solution

The fourth proportional to 626,533.62, 939,953.51 and 200,069.54 is: 300,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,533.62 : 939,953.51 = 200,069.54 : x
  2. Step 2: Convert to fraction form
    626,533.62/939,953.51 = 200,069.54/x
  3. Step 3: Cross multiply
    626,533.62x = 939,953.51 × 200,069.54
  4. Step 4: Simplify right side
    626,533.62x = 188,056,066,367.09
  5. Step 5: Solve for x
    x = 188,056,066,367.09/626,533.62
  6. Step 6: Final answer
    x = 300,153.19

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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.