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Finding the Fourth Proportional to 297,785.67, 410,969.42 and 163,677.51

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Solution

The fourth proportional to 297,785.67, 410,969.42 and 163,677.51 is: 225,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,785.67 : 410,969.42 = 163,677.51 : x
  2. Step 2: Convert to fraction form
    297,785.67/410,969.42 = 163,677.51/x
  3. Step 3: Cross multiply
    297,785.67x = 410,969.42 × 163,677.51
  4. Step 4: Simplify right side
    297,785.67x = 67,266,450,533.36
  5. Step 5: Solve for x
    x = 67,266,450,533.36/297,785.67
  6. Step 6: Final answer
    x = 225,888.81

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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.