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Finding the Fourth Proportional to 448,967.52, 619,588.23 and 245,031.54

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Solution

The fourth proportional to 448,967.52, 619,588.23 and 245,031.54 is: 338,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,967.52 : 619,588.23 = 245,031.54 : x
  2. Step 2: Convert to fraction form
    448,967.52/619,588.23 = 245,031.54/x
  3. Step 3: Cross multiply
    448,967.52x = 619,588.23 × 245,031.54
  4. Step 4: Simplify right side
    448,967.52x = 151,818,658,162.77
  5. Step 5: Solve for x
    x = 151,818,658,162.77/448,967.52
  6. Step 6: Final answer
    x = 338,150.65

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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.