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Finding the Fourth Proportional to 473,165.03, 652,978.94 and 258,306.71

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Solution

The fourth proportional to 473,165.03, 652,978.94 and 258,306.71 is: 356,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,165.03 : 652,978.94 = 258,306.71 : x
  2. Step 2: Convert to fraction form
    473,165.03/652,978.94 = 258,306.71/x
  3. Step 3: Cross multiply
    473,165.03x = 652,978.94 × 258,306.71
  4. Step 4: Simplify right side
    473,165.03x = 168,668,837,134.26
  5. Step 5: Solve for x
    x = 168,668,837,134.26/473,165.03
  6. Step 6: Final answer
    x = 356,469.36

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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.