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Finding the Fourth Proportional to 547,878.83, 817,806.12 and 483,165.35

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Solution

The fourth proportional to 547,878.83, 817,806.12 and 483,165.35 is: 721,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,878.83 : 817,806.12 = 483,165.35 : x
  2. Step 2: Convert to fraction form
    547,878.83/817,806.12 = 483,165.35/x
  3. Step 3: Cross multiply
    547,878.83x = 817,806.12 × 483,165.35
  4. Step 4: Simplify right side
    547,878.83x = 395,135,580,201.94
  5. Step 5: Solve for x
    x = 395,135,580,201.94/547,878.83
  6. Step 6: Final answer
    x = 721,209.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.