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Finding the Fourth Proportional to 186,576.40, 279,864.60 and 170,246.80

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Solution

The fourth proportional to 186,576.40, 279,864.60 and 170,246.80 is: 255,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,576.40 : 279,864.60 = 170,246.80 : x
  2. Step 2: Convert to fraction form
    186,576.40/279,864.60 = 170,246.80/x
  3. Step 3: Cross multiply
    186,576.40x = 279,864.60 × 170,246.80
  4. Step 4: Simplify right side
    186,576.40x = 47,646,052,583.28
  5. Step 5: Solve for x
    x = 47,646,052,583.28/186,576.40
  6. Step 6: Final answer
    x = 255,370.20

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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.