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Finding the Fourth Proportional to 2,630,828.94, 3,946,353.17 and 833,672.64

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Solution

The fourth proportional to 2,630,828.94, 3,946,353.17 and 833,672.64 is: 1,250,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,828.94 : 3,946,353.17 = 833,672.64 : x
  2. Step 2: Convert to fraction form
    2,630,828.94/3,946,353.17 = 833,672.64/x
  3. Step 3: Cross multiply
    2,630,828.94x = 3,946,353.17 × 833,672.64
  4. Step 4: Simplify right side
    2,630,828.94x = 3,289,966,661,437.91
  5. Step 5: Solve for x
    x = 3,289,966,661,437.91/2,630,828.94
  6. Step 6: Final answer
    x = 1,250,543.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.