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Finding the Fourth Proportional to 580,112.36, 870,192.08 and 276,350.30

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Solution

The fourth proportional to 580,112.36, 870,192.08 and 276,350.30 is: 414,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,112.36 : 870,192.08 = 276,350.30 : x
  2. Step 2: Convert to fraction form
    580,112.36/870,192.08 = 276,350.30/x
  3. Step 3: Cross multiply
    580,112.36x = 870,192.08 × 276,350.30
  4. Step 4: Simplify right side
    580,112.36x = 240,477,840,983.87
  5. Step 5: Solve for x
    x = 240,477,840,983.87/580,112.36
  6. Step 6: Final answer
    x = 414,536.66

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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.