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Finding the Fourth Proportional to 295,955.71, 408,439.73 and 166,905.73

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Solution

The fourth proportional to 295,955.71, 408,439.73 and 166,905.73 is: 230,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,955.71 : 408,439.73 = 166,905.73 : x
  2. Step 2: Convert to fraction form
    295,955.71/408,439.73 = 166,905.73/x
  3. Step 3: Cross multiply
    295,955.71x = 408,439.73 × 166,905.73
  4. Step 4: Simplify right side
    295,955.71x = 68,170,931,296.65
  5. Step 5: Solve for x
    x = 68,170,931,296.65/295,955.71
  6. Step 6: Final answer
    x = 230,341.67

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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.