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Finding the Fourth Proportional to 607,086.75, 837,889.38 and 362,087.22

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Solution

The fourth proportional to 607,086.75, 837,889.38 and 362,087.22 is: 499,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,086.75 : 837,889.38 = 362,087.22 : x
  2. Step 2: Convert to fraction form
    607,086.75/837,889.38 = 362,087.22/x
  3. Step 3: Cross multiply
    607,086.75x = 837,889.38 × 362,087.22
  4. Step 4: Simplify right side
    607,086.75x = 303,389,036,271.72
  5. Step 5: Solve for x
    x = 303,389,036,271.72/607,086.75
  6. Step 6: Final answer
    x = 499,745.77

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Double scale
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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.