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Finding the Fourth Proportional to 415,364.72, 573,220.19 and 234,084.29

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Solution

The fourth proportional to 415,364.72, 573,220.19 and 234,084.29 is: 323,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,364.72 : 573,220.19 = 234,084.29 : x
  2. Step 2: Convert to fraction form
    415,364.72/573,220.19 = 234,084.29/x
  3. Step 3: Cross multiply
    415,364.72x = 573,220.19 × 234,084.29
  4. Step 4: Simplify right side
    415,364.72x = 134,181,843,208.08
  5. Step 5: Solve for x
    x = 134,181,843,208.08/415,364.72
  6. Step 6: Final answer
    x = 323,045.83

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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.