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Finding the Fourth Proportional to 415,859.02, 573,893.76 and 234,535.46

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Solution

The fourth proportional to 415,859.02, 573,893.76 and 234,535.46 is: 323,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,859.02 : 573,893.76 = 234,535.46 : x
  2. Step 2: Convert to fraction form
    415,859.02/573,893.76 = 234,535.46/x
  3. Step 3: Cross multiply
    415,859.02x = 573,893.76 × 234,535.46
  4. Step 4: Simplify right side
    415,859.02x = 134,598,436,992.73
  5. Step 5: Solve for x
    x = 134,598,436,992.73/415,859.02
  6. Step 6: Final answer
    x = 323,663.62

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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.