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Finding the Fourth Proportional to 626,803.80, 940,272.48 and 200,190.54

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Solution

The fourth proportional to 626,803.80, 940,272.48 and 200,190.54 is: 300,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,803.80 : 940,272.48 = 200,190.54 : x
  2. Step 2: Convert to fraction form
    626,803.80/940,272.48 = 200,190.54/x
  3. Step 3: Cross multiply
    626,803.80x = 940,272.48 × 200,190.54
  4. Step 4: Simplify right side
    626,803.80x = 188,233,655,518.34
  5. Step 5: Solve for x
    x = 188,233,655,518.34/626,803.80
  6. Step 6: Final answer
    x = 300,307.14

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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.