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Finding the Fourth Proportional to 471,472.98, 650,632.62 and 256,614.60

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Solution

The fourth proportional to 471,472.98, 650,632.62 and 256,614.60 is: 354,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,472.98 : 650,632.62 = 256,614.60 : x
  2. Step 2: Convert to fraction form
    471,472.98/650,632.62 = 256,614.60/x
  3. Step 3: Cross multiply
    471,472.98x = 650,632.62 × 256,614.60
  4. Step 4: Simplify right side
    471,472.98x = 166,961,829,528.25
  5. Step 5: Solve for x
    x = 166,961,829,528.25/471,472.98
  6. Step 6: Final answer
    x = 354,128.10

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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.