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Finding the Fourth Proportional to 300,485.29, 414,669.75 and 164,528.00

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Solution

The fourth proportional to 300,485.29, 414,669.75 and 164,528.00 is: 227,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,485.29 : 414,669.75 = 164,528.00 : x
  2. Step 2: Convert to fraction form
    300,485.29/414,669.75 = 164,528.00/x
  3. Step 3: Cross multiply
    300,485.29x = 414,669.75 × 164,528.00
  4. Step 4: Simplify right side
    300,485.29x = 68,224,785,664.67
  5. Step 5: Solve for x
    x = 68,224,785,664.67/300,485.29
  6. Step 6: Final answer
    x = 227,048.67

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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.