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Finding the Fourth Proportional to 468,237.84, 646,169.96 and 253,377.90

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Solution

The fourth proportional to 468,237.84, 646,169.96 and 253,377.90 is: 349,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,237.84 : 646,169.96 = 253,377.90 : x
  2. Step 2: Convert to fraction form
    468,237.84/646,169.96 = 253,377.90/x
  3. Step 3: Cross multiply
    468,237.84x = 646,169.96 × 253,377.90
  4. Step 4: Simplify right side
    468,237.84x = 163,725,186,240.99
  5. Step 5: Solve for x
    x = 163,725,186,240.99/468,237.84
  6. Step 6: Final answer
    x = 349,662.44

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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.