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Finding the Fourth Proportional to 415,315.64, 573,355.92 and 332,745.44

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Solution

The fourth proportional to 415,315.64, 573,355.92 and 332,745.44 is: 459,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,315.64 : 573,355.92 = 332,745.44 : x
  2. Step 2: Convert to fraction form
    415,315.64/573,355.92 = 332,745.44/x
  3. Step 3: Cross multiply
    415,315.64x = 573,355.92 × 332,745.44
  4. Step 4: Simplify right side
    415,315.64x = 190,781,567,877.01
  5. Step 5: Solve for x
    x = 190,781,567,877.01/415,315.64
  6. Step 6: Final answer
    x = 459,365.24

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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.