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Finding the Fourth Proportional to 610,949.16, 843,114.54 and 339,018.12

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Solution

The fourth proportional to 610,949.16, 843,114.54 and 339,018.12 is: 467,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,949.16 : 843,114.54 = 339,018.12 : x
  2. Step 2: Convert to fraction form
    610,949.16/843,114.54 = 339,018.12/x
  3. Step 3: Cross multiply
    610,949.16x = 843,114.54 × 339,018.12
  4. Step 4: Simplify right side
    610,949.16x = 285,831,106,295.47
  5. Step 5: Solve for x
    x = 285,831,106,295.47/610,949.16
  6. Step 6: Final answer
    x = 467,847.61

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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.