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Finding the Fourth Proportional to 472,961.94, 651,578.49 and 329,462.34

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Solution

The fourth proportional to 472,961.94, 651,578.49 and 329,462.34 is: 453,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,961.94 : 651,578.49 = 329,462.34 : x
  2. Step 2: Convert to fraction form
    472,961.94/651,578.49 = 329,462.34/x
  3. Step 3: Cross multiply
    472,961.94x = 651,578.49 × 329,462.34
  4. Step 4: Simplify right side
    472,961.94x = 214,670,574,009.07
  5. Step 5: Solve for x
    x = 214,670,574,009.07/472,961.94
  6. Step 6: Final answer
    x = 453,885.52

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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.