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Finding the Fourth Proportional to 590,927.40, 886,391.10 and 170,245.80

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Solution

The fourth proportional to 590,927.40, 886,391.10 and 170,245.80 is: 255,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,927.40 : 886,391.10 = 170,245.80 : x
  2. Step 2: Convert to fraction form
    590,927.40/886,391.10 = 170,245.80/x
  3. Step 3: Cross multiply
    590,927.40x = 886,391.10 × 170,245.80
  4. Step 4: Simplify right side
    590,927.40x = 150,904,361,932.38
  5. Step 5: Solve for x
    x = 150,904,361,932.38/590,927.40
  6. Step 6: Final answer
    x = 255,368.70

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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.