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Finding the Fourth Proportional to 652,116.96, 899,910 and 365,636.16

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Solution

The fourth proportional to 652,116.96, 899,910 and 365,636.16 is: 504,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,116.96 : 899,910 = 365,636.16 : x
  2. Step 2: Convert to fraction form
    652,116.96/899,910 = 365,636.16/x
  3. Step 3: Cross multiply
    652,116.96x = 899,910 × 365,636.16
  4. Step 4: Simplify right side
    652,116.96x = 329,039,636,745.60
  5. Step 5: Solve for x
    x = 329,039,636,745.60/652,116.96
  6. Step 6: Final answer
    x = 504,571.51

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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.