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Finding the Fourth Proportional to 426,365.16, 588,380.11 and 235,374.45

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Solution

The fourth proportional to 426,365.16, 588,380.11 and 235,374.45 is: 324,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,365.16 : 588,380.11 = 235,374.45 : x
  2. Step 2: Convert to fraction form
    426,365.16/588,380.11 = 235,374.45/x
  3. Step 3: Cross multiply
    426,365.16x = 588,380.11 × 235,374.45
  4. Step 4: Simplify right side
    426,365.16x = 138,489,644,782.19
  5. Step 5: Solve for x
    x = 138,489,644,782.19/426,365.16
  6. Step 6: Final answer
    x = 324,814.64

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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.