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Finding the Fourth Proportional to 607,883.36, 912,087.50 and 327,344.72

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Solution

The fourth proportional to 607,883.36, 912,087.50 and 327,344.72 is: 491,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,883.36 : 912,087.50 = 327,344.72 : x
  2. Step 2: Convert to fraction form
    607,883.36/912,087.50 = 327,344.72/x
  3. Step 3: Cross multiply
    607,883.36x = 912,087.50 × 327,344.72
  4. Step 4: Simplify right side
    607,883.36x = 298,567,027,303
  5. Step 5: Solve for x
    x = 298,567,027,303/607,883.36
  6. Step 6: Final answer
    x = 491,158.41

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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.