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Finding the Fourth Proportional to 426,779.96, 588,906.15 and 235,781.96

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Solution

The fourth proportional to 426,779.96, 588,906.15 and 235,781.96 is: 325,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,779.96 : 588,906.15 = 235,781.96 : x
  2. Step 2: Convert to fraction form
    426,779.96/588,906.15 = 235,781.96/x
  3. Step 3: Cross multiply
    426,779.96x = 588,906.15 × 235,781.96
  4. Step 4: Simplify right side
    426,779.96x = 138,853,446,303.05
  5. Step 5: Solve for x
    x = 138,853,446,303.05/426,779.96
  6. Step 6: Final answer
    x = 325,351.37

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1.5x scale

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.