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Finding the Fourth Proportional to 329,848.70, 462,721.30 and 329,848.70

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Solution

The fourth proportional to 329,848.70, 462,721.30 and 329,848.70 is: 462,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,848.70 : 462,721.30 = 329,848.70 : x
  2. Step 2: Convert to fraction form
    329,848.70/462,721.30 = 329,848.70/x
  3. Step 3: Cross multiply
    329,848.70x = 462,721.30 × 329,848.70
  4. Step 4: Simplify right side
    329,848.70x = 152,628,019,267.31
  5. Step 5: Solve for x
    x = 152,628,019,267.31/329,848.70
  6. Step 6: Final answer
    x = 462,721.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.