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Finding the Fourth Proportional to 2,553,811.02, 3,829,882.96 and 847,495.94

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Solution

The fourth proportional to 2,553,811.02, 3,829,882.96 and 847,495.94 is: 1,270,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,811.02 : 3,829,882.96 = 847,495.94 : x
  2. Step 2: Convert to fraction form
    2,553,811.02/3,829,882.96 = 847,495.94/x
  3. Step 3: Cross multiply
    2,553,811.02x = 3,829,882.96 × 847,495.94
  4. Step 4: Simplify right side
    2,553,811.02x = 3,245,810,259,275.18
  5. Step 5: Solve for x
    x = 3,245,810,259,275.18/2,553,811.02
  6. Step 6: Final answer
    x = 1,270,967.29

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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.