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Finding the Fourth Proportional to 493,059.40, 739,589.10 and 473,705.80

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Solution

The fourth proportional to 493,059.40, 739,589.10 and 473,705.80 is: 710,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,059.40 : 739,589.10 = 473,705.80 : x
  2. Step 2: Convert to fraction form
    493,059.40/739,589.10 = 473,705.80/x
  3. Step 3: Cross multiply
    493,059.40x = 739,589.10 × 473,705.80
  4. Step 4: Simplify right side
    493,059.40x = 350,347,646,286.78
  5. Step 5: Solve for x
    x = 350,347,646,286.78/493,059.40
  6. Step 6: Final answer
    x = 710,558.70

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.