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Finding the Fourth Proportional to 190,858.40, 267,570.40 and 190,858.40

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Solution

The fourth proportional to 190,858.40, 267,570.40 and 190,858.40 is: 267,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,858.40 : 267,570.40 = 190,858.40 : x
  2. Step 2: Convert to fraction form
    190,858.40/267,570.40 = 190,858.40/x
  3. Step 3: Cross multiply
    190,858.40x = 267,570.40 × 190,858.40
  4. Step 4: Simplify right side
    190,858.40x = 51,068,058,431.36
  5. Step 5: Solve for x
    x = 51,068,058,431.36/190,858.40
  6. Step 6: Final answer
    x = 267,570.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.