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Finding the Fourth Proportional to 286,540.54, 395,303.29 and 178,923.74

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Solution

The fourth proportional to 286,540.54, 395,303.29 and 178,923.74 is: 246,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,540.54 : 395,303.29 = 178,923.74 : x
  2. Step 2: Convert to fraction form
    286,540.54/395,303.29 = 178,923.74/x
  3. Step 3: Cross multiply
    286,540.54x = 395,303.29 × 178,923.74
  4. Step 4: Simplify right side
    286,540.54x = 70,729,140,657.28
  5. Step 5: Solve for x
    x = 70,729,140,657.28/286,540.54
  6. Step 6: Final answer
    x = 246,838.17

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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.