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Finding the Fourth Proportional to 627,472.98, 865,925.64 and 341,011.62

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Solution

The fourth proportional to 627,472.98, 865,925.64 and 341,011.62 is: 470,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,472.98 : 865,925.64 = 341,011.62 : x
  2. Step 2: Convert to fraction form
    627,472.98/865,925.64 = 341,011.62/x
  3. Step 3: Cross multiply
    627,472.98x = 865,925.64 × 341,011.62
  4. Step 4: Simplify right side
    627,472.98x = 295,290,705,295.94
  5. Step 5: Solve for x
    x = 295,290,705,295.94/627,472.98
  6. Step 6: Final answer
    x = 470,603.06

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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.