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Finding the Fourth Proportional to 622,756.33, 859,399.76 and 350,911.77

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Solution

The fourth proportional to 622,756.33, 859,399.76 and 350,911.77 is: 484,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,756.33 : 859,399.76 = 350,911.77 : x
  2. Step 2: Convert to fraction form
    622,756.33/859,399.76 = 350,911.77/x
  3. Step 3: Cross multiply
    622,756.33x = 859,399.76 × 350,911.77
  4. Step 4: Simplify right side
    622,756.33x = 301,573,491,796.46
  5. Step 5: Solve for x
    x = 301,573,491,796.46/622,756.33
  6. Step 6: Final answer
    x = 484,256.01

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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.