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Finding the Fourth Proportional to 468,771.45, 646,904.63 and 253,911.60

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Solution

The fourth proportional to 468,771.45, 646,904.63 and 253,911.60 is: 350,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,771.45 : 646,904.63 = 253,911.60 : x
  2. Step 2: Convert to fraction form
    468,771.45/646,904.63 = 253,911.60/x
  3. Step 3: Cross multiply
    468,771.45x = 646,904.63 × 253,911.60
  4. Step 4: Simplify right side
    468,771.45x = 164,256,588,381.15
  5. Step 5: Solve for x
    x = 164,256,588,381.15/468,771.45
  6. Step 6: Final answer
    x = 350,398.02

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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.