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Finding the Fourth Proportional to 626,777.70, 940,301.43 and 194,486.55

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Solution

The fourth proportional to 626,777.70, 940,301.43 and 194,486.55 is: 291,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,777.70 : 940,301.43 = 194,486.55 : x
  2. Step 2: Convert to fraction form
    626,777.70/940,301.43 = 194,486.55/x
  3. Step 3: Cross multiply
    626,777.70x = 940,301.43 × 194,486.55
  4. Step 4: Simplify right side
    626,777.70x = 182,875,976,825.31
  5. Step 5: Solve for x
    x = 182,875,976,825.31/626,777.70
  6. Step 6: Final answer
    x = 291,771.67

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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.