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Finding the Fourth Proportional to 332,871.80, 459,353.90 and 187,676.33

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Solution

The fourth proportional to 332,871.80, 459,353.90 and 187,676.33 is: 258,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,871.80 : 459,353.90 = 187,676.33 : x
  2. Step 2: Convert to fraction form
    332,871.80/459,353.90 = 187,676.33/x
  3. Step 3: Cross multiply
    332,871.80x = 459,353.90 × 187,676.33
  4. Step 4: Simplify right side
    332,871.80x = 86,209,852,295.61
  5. Step 5: Solve for x
    x = 86,209,852,295.61/332,871.80
  6. Step 6: Final answer
    x = 258,988.16

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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.