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Finding the Fourth Proportional to 530,046.34, 731,460.33 and 300,648.26

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Solution

The fourth proportional to 530,046.34, 731,460.33 and 300,648.26 is: 414,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,046.34 : 731,460.33 = 300,648.26 : x
  2. Step 2: Convert to fraction form
    530,046.34/731,460.33 = 300,648.26/x
  3. Step 3: Cross multiply
    530,046.34x = 731,460.33 × 300,648.26
  4. Step 4: Simplify right side
    530,046.34x = 219,912,277,302.18
  5. Step 5: Solve for x
    x = 219,912,277,302.18/530,046.34
  6. Step 6: Final answer
    x = 414,892.55

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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.