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Finding the Fourth Proportional to 382,994.51, 574,368.26 and 126,779.27

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Solution

The fourth proportional to 382,994.51, 574,368.26 and 126,779.27 is: 190,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,994.51 : 574,368.26 = 126,779.27 : x
  2. Step 2: Convert to fraction form
    382,994.51/574,368.26 = 126,779.27/x
  3. Step 3: Cross multiply
    382,994.51x = 574,368.26 × 126,779.27
  4. Step 4: Simplify right side
    382,994.51x = 72,817,985,208.23
  5. Step 5: Solve for x
    x = 72,817,985,208.23/382,994.51
  6. Step 6: Final answer
    x = 190,128.02

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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.