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Finding the Fourth Proportional to 295,931.69, 408,425.73 and 166,896.70

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Solution

The fourth proportional to 295,931.69, 408,425.73 and 166,896.70 is: 230,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,931.69 : 408,425.73 = 166,896.70 : x
  2. Step 2: Convert to fraction form
    295,931.69/408,425.73 = 166,896.70/x
  3. Step 3: Cross multiply
    295,931.69x = 408,425.73 × 166,896.70
  4. Step 4: Simplify right side
    295,931.69x = 68,164,905,511.03
  5. Step 5: Solve for x
    x = 68,164,905,511.03/295,931.69
  6. Step 6: Final answer
    x = 230,340.00

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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.