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Finding the Fourth Proportional to 578,067.08, 797,779.78 and 333,128.04

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Solution

The fourth proportional to 578,067.08, 797,779.78 and 333,128.04 is: 459,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,067.08 : 797,779.78 = 333,128.04 : x
  2. Step 2: Convert to fraction form
    578,067.08/797,779.78 = 333,128.04/x
  3. Step 3: Cross multiply
    578,067.08x = 797,779.78 × 333,128.04
  4. Step 4: Simplify right side
    578,067.08x = 265,762,814,463.03
  5. Step 5: Solve for x
    x = 265,762,814,463.03/578,067.08
  6. Step 6: Final answer
    x = 459,743.90

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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.