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Finding the Fourth Proportional to 896,103, 1,236,622.14 and 493,703.64

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Solution

The fourth proportional to 896,103, 1,236,622.14 and 493,703.64 is: 681,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,103 : 1,236,622.14 = 493,703.64 : x
  2. Step 2: Convert to fraction form
    896,103/1,236,622.14 = 493,703.64/x
  3. Step 3: Cross multiply
    896,103x = 1,236,622.14 × 493,703.64
  4. Step 4: Simplify right side
    896,103x = 610,524,851,822.59
  5. Step 5: Solve for x
    x = 610,524,851,822.59/896,103
  6. Step 6: Final answer
    x = 681,311.02

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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.