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Finding the Fourth Proportional to 472,951.44, 651,564 and 329,451.84

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Solution

The fourth proportional to 472,951.44, 651,564 and 329,451.84 is: 453,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,951.44 : 651,564 = 329,451.84 : x
  2. Step 2: Convert to fraction form
    472,951.44/651,564 = 329,451.84/x
  3. Step 3: Cross multiply
    472,951.44x = 651,564 × 329,451.84
  4. Step 4: Simplify right side
    472,951.44x = 214,658,958,677.76
  5. Step 5: Solve for x
    x = 214,658,958,677.76/472,951.44
  6. Step 6: Final answer
    x = 453,871.03

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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.