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Finding the Fourth Proportional to 190,887.60, 286,331.40 and 174,266.40

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Solution

The fourth proportional to 190,887.60, 286,331.40 and 174,266.40 is: 261,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,887.60 : 286,331.40 = 174,266.40 : x
  2. Step 2: Convert to fraction form
    190,887.60/286,331.40 = 174,266.40/x
  3. Step 3: Cross multiply
    190,887.60x = 286,331.40 × 174,266.40
  4. Step 4: Simplify right side
    190,887.60x = 49,897,942,284.96
  5. Step 5: Solve for x
    x = 49,897,942,284.96/190,887.60
  6. Step 6: Final answer
    x = 261,399.60

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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.