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Finding the Fourth Proportional to 373,254.72, 515,101.32 and 230,109.36

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Solution

The fourth proportional to 373,254.72, 515,101.32 and 230,109.36 is: 317,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,254.72 : 515,101.32 = 230,109.36 : x
  2. Step 2: Convert to fraction form
    373,254.72/515,101.32 = 230,109.36/x
  3. Step 3: Cross multiply
    373,254.72x = 515,101.32 × 230,109.36
  4. Step 4: Simplify right side
    373,254.72x = 118,529,635,080.36
  5. Step 5: Solve for x
    x = 118,529,635,080.36/373,254.72
  6. Step 6: Final answer
    x = 317,556.96

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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.