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Finding the Fourth Proportional to 650,857.75, 975,921.01 and 445,923.70

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Solution

The fourth proportional to 650,857.75, 975,921.01 and 445,923.70 is: 668,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,857.75 : 975,921.01 = 445,923.70 : x
  2. Step 2: Convert to fraction form
    650,857.75/975,921.01 = 445,923.70/x
  3. Step 3: Cross multiply
    650,857.75x = 975,921.01 × 445,923.70
  4. Step 4: Simplify right side
    650,857.75x = 435,186,304,132.33
  5. Step 5: Solve for x
    x = 435,186,304,132.33/650,857.75
  6. Step 6: Final answer
    x = 668,635.05

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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.