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Finding the Fourth Proportional to 427,064.67, 589,326.23 and 236,066.67

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Solution

The fourth proportional to 427,064.67, 589,326.23 and 236,066.67 is: 325,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,064.67 : 589,326.23 = 236,066.67 : x
  2. Step 2: Convert to fraction form
    427,064.67/589,326.23 = 236,066.67/x
  3. Step 3: Cross multiply
    427,064.67x = 589,326.23 × 236,066.67
  4. Step 4: Simplify right side
    427,064.67x = 139,120,281,249.92
  5. Step 5: Solve for x
    x = 139,120,281,249.92/427,064.67
  6. Step 6: Final answer
    x = 325,759.28

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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.