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Finding the Fourth Proportional to 867,995.96, 1,300,753.23 and 488,119.32

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Solution

The fourth proportional to 867,995.96, 1,300,753.23 and 488,119.32 is: 731,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,995.96 : 1,300,753.23 = 488,119.32 : x
  2. Step 2: Convert to fraction form
    867,995.96/1,300,753.23 = 488,119.32/x
  3. Step 3: Cross multiply
    867,995.96x = 1,300,753.23 × 488,119.32
  4. Step 4: Simplify right side
    867,995.96x = 634,922,782,115.40
  5. Step 5: Solve for x
    x = 634,922,782,115.40/867,995.96
  6. Step 6: Final answer
    x = 731,481.27

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Double scale
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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.