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Finding the Fourth Proportional to 332,129.13, 458,335.74 and 188,889

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Solution

The fourth proportional to 332,129.13, 458,335.74 and 188,889 is: 260,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,129.13 : 458,335.74 = 188,889 : x
  2. Step 2: Convert to fraction form
    332,129.13/458,335.74 = 188,889/x
  3. Step 3: Cross multiply
    332,129.13x = 458,335.74 × 188,889
  4. Step 4: Simplify right side
    332,129.13x = 86,574,579,592.86
  5. Step 5: Solve for x
    x = 86,574,579,592.86/332,129.13
  6. Step 6: Final answer
    x = 260,665.42

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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.