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Finding the Fourth Proportional to 427,092, 589,335.80 and 236,079.42

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Solution

The fourth proportional to 427,092, 589,335.80 and 236,079.42 is: 325,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,092 : 589,335.80 = 236,079.42 : x
  2. Step 2: Convert to fraction form
    427,092/589,335.80 = 236,079.42/x
  3. Step 3: Cross multiply
    427,092x = 589,335.80 × 236,079.42
  4. Step 4: Simplify right side
    427,092x = 139,130,052,668.84
  5. Step 5: Solve for x
    x = 139,130,052,668.84/427,092
  6. Step 6: Final answer
    x = 325,761.32

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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.