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Finding the Fourth Proportional to 651,703.37, 978,083.17 and 336,250.49

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Solution

The fourth proportional to 651,703.37, 978,083.17 and 336,250.49 is: 504,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,703.37 : 978,083.17 = 336,250.49 : x
  2. Step 2: Convert to fraction form
    651,703.37/978,083.17 = 336,250.49/x
  3. Step 3: Cross multiply
    651,703.37x = 978,083.17 × 336,250.49
  4. Step 4: Simplify right side
    651,703.37x = 328,880,939,442.21
  5. Step 5: Solve for x
    x = 328,880,939,442.21/651,703.37
  6. Step 6: Final answer
    x = 504,648.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.