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Finding the Fourth Proportional to 186,494.40, 256,767.84 and 173,776.32

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Solution

The fourth proportional to 186,494.40, 256,767.84 and 173,776.32 is: 239,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,494.40 : 256,767.84 = 173,776.32 : x
  2. Step 2: Convert to fraction form
    186,494.40/256,767.84 = 173,776.32/x
  3. Step 3: Cross multiply
    186,494.40x = 256,767.84 × 173,776.32
  4. Step 4: Simplify right side
    186,494.40x = 44,620,170,329.55
  5. Step 5: Solve for x
    x = 44,620,170,329.55/186,494.40
  6. Step 6: Final answer
    x = 239,257.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.