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Finding the Fourth Proportional to 371,447.90, 512,600.00 and 210,334.35

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Solution

The fourth proportional to 371,447.90, 512,600.00 and 210,334.35 is: 290,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,447.90 : 512,600.00 = 210,334.35 : x
  2. Step 2: Convert to fraction form
    371,447.90/512,600.00 = 210,334.35/x
  3. Step 3: Cross multiply
    371,447.90x = 512,600.00 × 210,334.35
  4. Step 4: Simplify right side
    371,447.90x = 107,817,384,355.52
  5. Step 5: Solve for x
    x = 107,817,384,355.52/371,447.90
  6. Step 6: Final answer
    x = 290,262.47

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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.