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Finding the Fourth Proportional to 448,967.39, 619,588.04 and 245,031.39

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Solution

The fourth proportional to 448,967.39, 619,588.04 and 245,031.39 is: 338,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,967.39 : 619,588.04 = 245,031.39 : x
  2. Step 2: Convert to fraction form
    448,967.39/619,588.04 = 245,031.39/x
  3. Step 3: Cross multiply
    448,967.39x = 619,588.04 × 245,031.39
  4. Step 4: Simplify right side
    448,967.39x = 151,818,517,443.42
  5. Step 5: Solve for x
    x = 151,818,517,443.42/448,967.39
  6. Step 6: Final answer
    x = 338,150.44

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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.