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Finding the Fourth Proportional to 415,096.60, 622,644.90 and 377,698.90

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Solution

The fourth proportional to 415,096.60, 622,644.90 and 377,698.90 is: 566,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,096.60 : 622,644.90 = 377,698.90 : x
  2. Step 2: Convert to fraction form
    415,096.60/622,644.90 = 377,698.90/x
  3. Step 3: Cross multiply
    415,096.60x = 622,644.90 × 377,698.90
  4. Step 4: Simplify right side
    415,096.60x = 235,172,293,820.61
  5. Step 5: Solve for x
    x = 235,172,293,820.61/415,096.60
  6. Step 6: Final answer
    x = 566,548.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.