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Finding the Fourth Proportional to 468,601.70, 646,669.44 and 253,742.40

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Solution

The fourth proportional to 468,601.70, 646,669.44 and 253,742.40 is: 350,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,601.70 : 646,669.44 = 253,742.40 : x
  2. Step 2: Convert to fraction form
    468,601.70/646,669.44 = 253,742.40/x
  3. Step 3: Cross multiply
    468,601.70x = 646,669.44 × 253,742.40
  4. Step 4: Simplify right side
    468,601.70x = 164,087,455,712.26
  5. Step 5: Solve for x
    x = 164,087,455,712.26/468,601.70
  6. Step 6: Final answer
    x = 350,164.03

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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.