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Finding the Fourth Proportional to 330,888.96, 456,610.10 and 187,662.33

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Solution

The fourth proportional to 330,888.96, 456,610.10 and 187,662.33 is: 258,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,888.96 : 456,610.10 = 187,662.33 : x
  2. Step 2: Convert to fraction form
    330,888.96/456,610.10 = 187,662.33/x
  3. Step 3: Cross multiply
    330,888.96x = 456,610.10 × 187,662.33
  4. Step 4: Simplify right side
    330,888.96x = 85,688,514,329.22
  5. Step 5: Solve for x
    x = 85,688,514,329.22/330,888.96
  6. Step 6: Final answer
    x = 258,964.56

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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.