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Finding the Fourth Proportional to 767,001, 1,058,466.62 and 427,491.12

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Solution

The fourth proportional to 767,001, 1,058,466.62 and 427,491.12 is: 589,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,001 : 1,058,466.62 = 427,491.12 : x
  2. Step 2: Convert to fraction form
    767,001/1,058,466.62 = 427,491.12/x
  3. Step 3: Cross multiply
    767,001x = 1,058,466.62 × 427,491.12
  4. Step 4: Simplify right side
    767,001x = 452,485,080,866.41
  5. Step 5: Solve for x
    x = 452,485,080,866.41/767,001
  6. Step 6: Final answer
    x = 589,940.67

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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.