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Finding the Fourth Proportional to 415,676.32, 573,584.57 and 234,377.45

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Solution

The fourth proportional to 415,676.32, 573,584.57 and 234,377.45 is: 323,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,676.32 : 573,584.57 = 234,377.45 : x
  2. Step 2: Convert to fraction form
    415,676.32/573,584.57 = 234,377.45/x
  3. Step 3: Cross multiply
    415,676.32x = 573,584.57 × 234,377.45
  4. Step 4: Simplify right side
    415,676.32x = 134,435,286,008.02
  5. Step 5: Solve for x
    x = 134,435,286,008.02/415,676.32
  6. Step 6: Final answer
    x = 323,413.39

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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.