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Finding the Fourth Proportional to 448,508.56, 618,946.70 and 244,557.88

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Solution

The fourth proportional to 448,508.56, 618,946.70 and 244,557.88 is: 337,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,508.56 : 618,946.70 = 244,557.88 : x
  2. Step 2: Convert to fraction form
    448,508.56/618,946.70 = 244,557.88/x
  3. Step 3: Cross multiply
    448,508.56x = 618,946.70 × 244,557.88
  4. Step 4: Simplify right side
    448,508.56x = 151,368,292,785.00
  5. Step 5: Solve for x
    x = 151,368,292,785.00/448,508.56
  6. Step 6: Final answer
    x = 337,492.54

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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.