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Finding the Fourth Proportional to 445,758.38, 614,996.91 and 254,636.42

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Solution

The fourth proportional to 445,758.38, 614,996.91 and 254,636.42 is: 351,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,758.38 : 614,996.91 = 254,636.42 : x
  2. Step 2: Convert to fraction form
    445,758.38/614,996.91 = 254,636.42/x
  3. Step 3: Cross multiply
    445,758.38x = 614,996.91 × 254,636.42
  4. Step 4: Simplify right side
    445,758.38x = 156,600,611,473.46
  5. Step 5: Solve for x
    x = 156,600,611,473.46/445,758.38
  6. Step 6: Final answer
    x = 351,312.77

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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.