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Finding the Fourth Proportional to 671,096.97, 926,095.55 and 369,290.97

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Solution

The fourth proportional to 671,096.97, 926,095.55 and 369,290.97 is: 509,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,096.97 : 926,095.55 = 369,290.97 : x
  2. Step 2: Convert to fraction form
    671,096.97/926,095.55 = 369,290.97/x
  3. Step 3: Cross multiply
    671,096.97x = 926,095.55 × 369,290.97
  4. Step 4: Simplify right side
    671,096.97x = 341,998,722,125.73
  5. Step 5: Solve for x
    x = 341,998,722,125.73/671,096.97
  6. Step 6: Final answer
    x = 509,611.48

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Double scale
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Similar ratio
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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.