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Finding the Fourth Proportional to 626,260.74, 864,147.97 and 350,604.30

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Solution

The fourth proportional to 626,260.74, 864,147.97 and 350,604.30 is: 483,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,260.74 : 864,147.97 = 350,604.30 : x
  2. Step 2: Convert to fraction form
    626,260.74/864,147.97 = 350,604.30/x
  3. Step 3: Cross multiply
    626,260.74x = 864,147.97 × 350,604.30
  4. Step 4: Simplify right side
    626,260.74x = 302,973,991,950.17
  5. Step 5: Solve for x
    x = 302,973,991,950.17/626,260.74
  6. Step 6: Final answer
    x = 483,782.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.