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Finding the Fourth Proportional to 194,491.40, 258,839.45 and 194,491.40

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Solution

The fourth proportional to 194,491.40, 258,839.45 and 194,491.40 is: 258,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,491.40 : 258,839.45 = 194,491.40 : x
  2. Step 2: Convert to fraction form
    194,491.40/258,839.45 = 194,491.40/x
  3. Step 3: Cross multiply
    194,491.40x = 258,839.45 × 194,491.40
  4. Step 4: Simplify right side
    194,491.40x = 50,342,047,005.73
  5. Step 5: Solve for x
    x = 50,342,047,005.73/194,491.40
  6. Step 6: Final answer
    x = 258,839.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.