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Finding the Fourth Proportional to 427,049.91, 589,332.39 and 236,066.49

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Solution

The fourth proportional to 427,049.91, 589,332.39 and 236,066.49 is: 325,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,049.91 : 589,332.39 = 236,066.49 : x
  2. Step 2: Convert to fraction form
    427,049.91/589,332.39 = 236,066.49/x
  3. Step 3: Cross multiply
    427,049.91x = 589,332.39 × 236,066.49
  4. Step 4: Simplify right side
    427,049.91x = 139,121,628,750.61
  5. Step 5: Solve for x
    x = 139,121,628,750.61/427,049.91
  6. Step 6: Final answer
    x = 325,773.70

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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.