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Finding the Fourth Proportional to 627,509.84, 865,976.37 and 341,048.37

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Solution

The fourth proportional to 627,509.84, 865,976.37 and 341,048.37 is: 470,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,509.84 : 865,976.37 = 341,048.37 : x
  2. Step 2: Convert to fraction form
    627,509.84/865,976.37 = 341,048.37/x
  3. Step 3: Cross multiply
    627,509.84x = 865,976.37 × 341,048.37
  4. Step 4: Simplify right side
    627,509.84x = 295,339,831,415.50
  5. Step 5: Solve for x
    x = 295,339,831,415.50/627,509.84
  6. Step 6: Final answer
    x = 470,653.71

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1.5x scale

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.