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Finding the Fourth Proportional to 368,377.16, 508,086.46 and 325,280.62

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Solution

The fourth proportional to 368,377.16, 508,086.46 and 325,280.62 is: 448,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377.16 : 508,086.46 = 325,280.62 : x
  2. Step 2: Convert to fraction form
    368,377.16/508,086.46 = 325,280.62/x
  3. Step 3: Cross multiply
    368,377.16x = 508,086.46 × 325,280.62
  4. Step 4: Simplify right side
    368,377.16x = 165,270,676,638.99
  5. Step 5: Solve for x
    x = 165,270,676,638.99/368,377.16
  6. Step 6: Final answer
    x = 448,645.28

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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.