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Finding the Fourth Proportional to 426,253.79, 588,188.32 and 235,254.86

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Solution

The fourth proportional to 426,253.79, 588,188.32 and 235,254.86 is: 324,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,253.79 : 588,188.32 = 235,254.86 : x
  2. Step 2: Convert to fraction form
    426,253.79/588,188.32 = 235,254.86/x
  3. Step 3: Cross multiply
    426,253.79x = 588,188.32 × 235,254.86
  4. Step 4: Simplify right side
    426,253.79x = 138,374,161,757.57
  5. Step 5: Solve for x
    x = 138,374,161,757.57/426,253.79
  6. Step 6: Final answer
    x = 324,628.58

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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.