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Finding the Fourth Proportional to 478,266.24, 655,227.60 and 460,329.60

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Solution

The fourth proportional to 478,266.24, 655,227.60 and 460,329.60 is: 630,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,266.24 : 655,227.60 = 460,329.60 : x
  2. Step 2: Convert to fraction form
    478,266.24/655,227.60 = 460,329.60/x
  3. Step 3: Cross multiply
    478,266.24x = 655,227.60 × 460,329.60
  4. Step 4: Simplify right side
    478,266.24x = 301,620,659,016.96
  5. Step 5: Solve for x
    x = 301,620,659,016.96/478,266.24
  6. Step 6: Final answer
    x = 630,654.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.