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Finding the Fourth Proportional to 447,034.48, 616,895.40 and 245,830.48

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Solution

The fourth proportional to 447,034.48, 616,895.40 and 245,830.48 is: 339,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,034.48 : 616,895.40 = 245,830.48 : x
  2. Step 2: Convert to fraction form
    447,034.48/616,895.40 = 245,830.48/x
  3. Step 3: Cross multiply
    447,034.48x = 616,895.40 × 245,830.48
  4. Step 4: Simplify right side
    447,034.48x = 151,651,692,291.79
  5. Step 5: Solve for x
    x = 151,651,692,291.79/447,034.48
  6. Step 6: Final answer
    x = 339,239.36

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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.