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Finding the Fourth Proportional to 448,950.74, 619,555.64 and 245,003.27

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Solution

The fourth proportional to 448,950.74, 619,555.64 and 245,003.27 is: 338,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,950.74 : 619,555.64 = 245,003.27 : x
  2. Step 2: Convert to fraction form
    448,950.74/619,555.64 = 245,003.27/x
  3. Step 3: Cross multiply
    448,950.74x = 619,555.64 × 245,003.27
  4. Step 4: Simplify right side
    448,950.74x = 151,793,153,424.15
  5. Step 5: Solve for x
    x = 151,793,153,424.15/448,950.74
  6. Step 6: Final answer
    x = 338,106.48

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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.