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Finding the Fourth Proportional to 415,375.30, 573,209.98 and 234,083.60

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Solution

The fourth proportional to 415,375.30, 573,209.98 and 234,083.60 is: 323,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,375.30 : 573,209.98 = 234,083.60 : x
  2. Step 2: Convert to fraction form
    415,375.30/573,209.98 = 234,083.60/x
  3. Step 3: Cross multiply
    415,375.30x = 573,209.98 × 234,083.60
  4. Step 4: Simplify right side
    415,375.30x = 134,179,054,372.61
  5. Step 5: Solve for x
    x = 134,179,054,372.61/415,375.30
  6. Step 6: Final answer
    x = 323,030.89

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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.