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Finding the Fourth Proportional to 478,924.10, 718,058.10 and 226,325.60

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Solution

The fourth proportional to 478,924.10, 718,058.10 and 226,325.60 is: 339,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,924.10 : 718,058.10 = 226,325.60 : x
  2. Step 2: Convert to fraction form
    478,924.10/718,058.10 = 226,325.60/x
  3. Step 3: Cross multiply
    478,924.10x = 718,058.10 × 226,325.60
  4. Step 4: Simplify right side
    478,924.10x = 162,514,930,317.36
  5. Step 5: Solve for x
    x = 162,514,930,317.36/478,924.10
  6. Step 6: Final answer
    x = 339,333.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.