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Finding the Fourth Proportional to 478,778.68, 718,090.24 and 226,058.68

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Solution

The fourth proportional to 478,778.68, 718,090.24 and 226,058.68 is: 339,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,778.68 : 718,090.24 = 226,058.68 : x
  2. Step 2: Convert to fraction form
    478,778.68/718,090.24 = 226,058.68/x
  3. Step 3: Cross multiply
    478,778.68x = 718,090.24 × 226,058.68
  4. Step 4: Simplify right side
    478,778.68x = 162,330,531,775.28
  5. Step 5: Solve for x
    x = 162,330,531,775.28/478,778.68
  6. Step 6: Final answer
    x = 339,051.30

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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.