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Finding the Fourth Proportional to 332,587.65, 458,971.38 and 189,347.69

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Solution

The fourth proportional to 332,587.65, 458,971.38 and 189,347.69 is: 261,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,587.65 : 458,971.38 = 189,347.69 : x
  2. Step 2: Convert to fraction form
    332,587.65/458,971.38 = 189,347.69/x
  3. Step 3: Cross multiply
    332,587.65x = 458,971.38 × 189,347.69
  4. Step 4: Simplify right side
    332,587.65x = 86,905,171,726.54
  5. Step 5: Solve for x
    x = 86,905,171,726.54/332,587.65
  6. Step 6: Final answer
    x = 261,300.05

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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.