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Finding the Fourth Proportional to 586,212.32, 809,059.92 and 371,372.34

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Solution

The fourth proportional to 586,212.32, 809,059.92 and 371,372.34 is: 512,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,212.32 : 809,059.92 = 371,372.34 : x
  2. Step 2: Convert to fraction form
    586,212.32/809,059.92 = 371,372.34/x
  3. Step 3: Cross multiply
    586,212.32x = 809,059.92 × 371,372.34
  4. Step 4: Simplify right side
    586,212.32x = 300,462,475,690.61
  5. Step 5: Solve for x
    x = 300,462,475,690.61/586,212.32
  6. Step 6: Final answer
    x = 512,548.89

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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.