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Finding the Fourth Proportional to 195,885.92, 293,373.12 and 190,498.40

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Solution

The fourth proportional to 195,885.92, 293,373.12 and 190,498.40 is: 285,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,885.92 : 293,373.12 = 190,498.40 : x
  2. Step 2: Convert to fraction form
    195,885.92/293,373.12 = 190,498.40/x
  3. Step 3: Cross multiply
    195,885.92x = 293,373.12 × 190,498.40
  4. Step 4: Simplify right side
    195,885.92x = 55,887,109,963.01
  5. Step 5: Solve for x
    x = 55,887,109,963.01/195,885.92
  6. Step 6: Final answer
    x = 285,304.37

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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.