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Finding the Fourth Proportional to 676,846.45, 933,800.97 and 404,922.16

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Solution

The fourth proportional to 676,846.45, 933,800.97 and 404,922.16 is: 558,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,846.45 : 933,800.97 = 404,922.16 : x
  2. Step 2: Convert to fraction form
    676,846.45/933,800.97 = 404,922.16/x
  3. Step 3: Cross multiply
    676,846.45x = 933,800.97 × 404,922.16
  4. Step 4: Simplify right side
    676,846.45x = 378,116,705,782.50
  5. Step 5: Solve for x
    x = 378,116,705,782.50/676,846.45
  6. Step 6: Final answer
    x = 558,644.74

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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.