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Finding the Fourth Proportional to 301,945.20, 452,917.80 and 124,360.80

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Solution

The fourth proportional to 301,945.20, 452,917.80 and 124,360.80 is: 186,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,945.20 : 452,917.80 = 124,360.80 : x
  2. Step 2: Convert to fraction form
    301,945.20/452,917.80 = 124,360.80/x
  3. Step 3: Cross multiply
    301,945.20x = 452,917.80 × 124,360.80
  4. Step 4: Simplify right side
    301,945.20x = 56,325,219,942.24
  5. Step 5: Solve for x
    x = 56,325,219,942.24/301,945.20
  6. Step 6: Final answer
    x = 186,541.20

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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.