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Finding the Fourth Proportional to 554,808.83, 765,592.58 and 339,919.68

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Solution

The fourth proportional to 554,808.83, 765,592.58 and 339,919.68 is: 469,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808.83 : 765,592.58 = 339,919.68 : x
  2. Step 2: Convert to fraction form
    554,808.83/765,592.58 = 339,919.68/x
  3. Step 3: Cross multiply
    554,808.83x = 765,592.58 × 339,919.68
  4. Step 4: Simplify right side
    554,808.83x = 260,239,985,653.77
  5. Step 5: Solve for x
    x = 260,239,985,653.77/554,808.83
  6. Step 6: Final answer
    x = 469,062.44

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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.