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Finding the Fourth Proportional to 550,376.17, 825,459.91 and 171,301.64

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Solution

The fourth proportional to 550,376.17, 825,459.91 and 171,301.64 is: 256,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,376.17 : 825,459.91 = 171,301.64 : x
  2. Step 2: Convert to fraction form
    550,376.17/825,459.91 = 171,301.64/x
  3. Step 3: Cross multiply
    550,376.17x = 825,459.91 × 171,301.64
  4. Step 4: Simplify right side
    550,376.17x = 141,402,632,745.27
  5. Step 5: Solve for x
    x = 141,402,632,745.27/550,376.17
  6. Step 6: Final answer
    x = 256,919.98

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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.