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Finding the Fourth Proportional to 568,348.34, 785,262.06 and 448,402.32

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Solution

The fourth proportional to 568,348.34, 785,262.06 and 448,402.32 is: 619,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,348.34 : 785,262.06 = 448,402.32 : x
  2. Step 2: Convert to fraction form
    568,348.34/785,262.06 = 448,402.32/x
  3. Step 3: Cross multiply
    568,348.34x = 785,262.06 × 448,402.32
  4. Step 4: Simplify right side
    568,348.34x = 352,113,329,511.98
  5. Step 5: Solve for x
    x = 352,113,329,511.98/568,348.34
  6. Step 6: Final answer
    x = 619,537.89

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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.