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Finding the Fourth Proportional to 301,738.40, 452,300.40 and 177,015.20

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Solution

The fourth proportional to 301,738.40, 452,300.40 and 177,015.20 is: 265,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,738.40 : 452,300.40 = 177,015.20 : x
  2. Step 2: Convert to fraction form
    301,738.40/452,300.40 = 177,015.20/x
  3. Step 3: Cross multiply
    301,738.40x = 452,300.40 × 177,015.20
  4. Step 4: Simplify right side
    301,738.40x = 80,064,045,766.08
  5. Step 5: Solve for x
    x = 80,064,045,766.08/301,738.40
  6. Step 6: Final answer
    x = 265,342.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.