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Finding the Fourth Proportional to 905,516, 1,250,661.84 and 603,185.12

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Solution

The fourth proportional to 905,516, 1,250,661.84 and 603,185.12 is: 833,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,516 : 1,250,661.84 = 603,185.12 : x
  2. Step 2: Convert to fraction form
    905,516/1,250,661.84 = 603,185.12/x
  3. Step 3: Cross multiply
    905,516x = 1,250,661.84 × 603,185.12
  4. Step 4: Simplify right side
    905,516x = 754,380,612,039.82
  5. Step 5: Solve for x
    x = 754,380,612,039.82/905,516
  6. Step 6: Final answer
    x = 833,094.73

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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.