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Finding the Fourth Proportional to 590,959.40, 886,439.10 and 253,942.70

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Solution

The fourth proportional to 590,959.40, 886,439.10 and 253,942.70 is: 380,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,959.40 : 886,439.10 = 253,942.70 : x
  2. Step 2: Convert to fraction form
    590,959.40/886,439.10 = 253,942.70/x
  3. Step 3: Cross multiply
    590,959.40x = 886,439.10 × 253,942.70
  4. Step 4: Simplify right side
    590,959.40x = 225,104,738,439.57
  5. Step 5: Solve for x
    x = 225,104,738,439.57/590,959.40
  6. Step 6: Final answer
    x = 380,914.05

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Half scale
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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.