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Finding the Fourth Proportional to 468,460.44, 646,470.05 and 253,595.79

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Solution

The fourth proportional to 468,460.44, 646,470.05 and 253,595.79 is: 349,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,460.44 : 646,470.05 = 253,595.79 : x
  2. Step 2: Convert to fraction form
    468,460.44/646,470.05 = 253,595.79/x
  3. Step 3: Cross multiply
    468,460.44x = 646,470.05 × 253,595.79
  4. Step 4: Simplify right side
    468,460.44x = 163,942,081,773.11
  5. Step 5: Solve for x
    x = 163,942,081,773.11/468,460.44
  6. Step 6: Final answer
    x = 349,959.29

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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.