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Finding the Fourth Proportional to 301,673.18, 416,450.49 and 174,323.90

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Solution

The fourth proportional to 301,673.18, 416,450.49 and 174,323.90 is: 240,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,673.18 : 416,450.49 = 174,323.90 : x
  2. Step 2: Convert to fraction form
    301,673.18/416,450.49 = 174,323.90/x
  3. Step 3: Cross multiply
    301,673.18x = 416,450.49 × 174,323.90
  4. Step 4: Simplify right side
    301,673.18x = 72,597,273,573.71
  5. Step 5: Solve for x
    x = 72,597,273,573.71/301,673.18
  6. Step 6: Final answer
    x = 240,648.75

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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.