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Finding the Fourth Proportional to 580,166.01, 870,427.16 and 276,947.10

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Solution

The fourth proportional to 580,166.01, 870,427.16 and 276,947.10 is: 415,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,166.01 : 870,427.16 = 276,947.10 : x
  2. Step 2: Convert to fraction form
    580,166.01/870,427.16 = 276,947.10/x
  3. Step 3: Cross multiply
    580,166.01x = 870,427.16 × 276,947.10
  4. Step 4: Simplify right side
    580,166.01x = 241,062,276,338.50
  5. Step 5: Solve for x
    x = 241,062,276,338.50/580,166.01
  6. Step 6: Final answer
    x = 415,505.69

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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.