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Finding the Fourth Proportional to 297,558.40, 410,632.32 and 170,239.36

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Solution

The fourth proportional to 297,558.40, 410,632.32 and 170,239.36 is: 234,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,558.40 : 410,632.32 = 170,239.36 : x
  2. Step 2: Convert to fraction form
    297,558.40/410,632.32 = 170,239.36/x
  3. Step 3: Cross multiply
    297,558.40x = 410,632.32 × 170,239.36
  4. Step 4: Simplify right side
    297,558.40x = 69,905,783,352.12
  5. Step 5: Solve for x
    x = 69,905,783,352.12/297,558.40
  6. Step 6: Final answer
    x = 234,931.31

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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.