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Finding the Fourth Proportional to 529,874.48, 731,212.44 and 300,473.84

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Solution

The fourth proportional to 529,874.48, 731,212.44 and 300,473.84 is: 414,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,874.48 : 731,212.44 = 300,473.84 : x
  2. Step 2: Convert to fraction form
    529,874.48/731,212.44 = 300,473.84/x
  3. Step 3: Cross multiply
    529,874.48x = 731,212.44 × 300,473.84
  4. Step 4: Simplify right side
    529,874.48x = 219,710,209,702.57
  5. Step 5: Solve for x
    x = 219,710,209,702.57/529,874.48
  6. Step 6: Final answer
    x = 414,645.77

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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.