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Finding the Fourth Proportional to 475,371.34, 713,058.23 and 120,385.40

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Solution

The fourth proportional to 475,371.34, 713,058.23 and 120,385.40 is: 180,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,371.34 : 713,058.23 = 120,385.40 : x
  2. Step 2: Convert to fraction form
    475,371.34/713,058.23 = 120,385.40/x
  3. Step 3: Cross multiply
    475,371.34x = 713,058.23 × 120,385.40
  4. Step 4: Simplify right side
    475,371.34x = 85,841,797,857.27
  5. Step 5: Solve for x
    x = 85,841,797,857.27/475,371.34
  6. Step 6: Final answer
    x = 180,578.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.