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Finding the Fourth Proportional to 427,373.64, 589,723.86 and 236,361

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Solution

The fourth proportional to 427,373.64, 589,723.86 and 236,361 is: 326,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,373.64 : 589,723.86 = 236,361 : x
  2. Step 2: Convert to fraction form
    427,373.64/589,723.86 = 236,361/x
  3. Step 3: Cross multiply
    427,373.64x = 589,723.86 × 236,361
  4. Step 4: Simplify right side
    427,373.64x = 139,387,721,273.46
  5. Step 5: Solve for x
    x = 139,387,721,273.46/427,373.64
  6. Step 6: Final answer
    x = 326,149.55

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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.