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Finding the Fourth Proportional to 471,368.67, 650,469.39 and 256,509.59

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Solution

The fourth proportional to 471,368.67, 650,469.39 and 256,509.59 is: 353,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,368.67 : 650,469.39 = 256,509.59 : x
  2. Step 2: Convert to fraction form
    471,368.67/650,469.39 = 256,509.59/x
  3. Step 3: Cross multiply
    471,368.67x = 650,469.39 × 256,509.59
  4. Step 4: Simplify right side
    471,368.67x = 166,851,632,322.19
  5. Step 5: Solve for x
    x = 166,851,632,322.19/471,368.67
  6. Step 6: Final answer
    x = 353,972.68

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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.