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Finding the Fourth Proportional to 580,198.08, 870,100.02 and 201,030.32

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Solution

The fourth proportional to 580,198.08, 870,100.02 and 201,030.32 is: 301,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,198.08 : 870,100.02 = 201,030.32 : x
  2. Step 2: Convert to fraction form
    580,198.08/870,100.02 = 201,030.32/x
  3. Step 3: Cross multiply
    580,198.08x = 870,100.02 × 201,030.32
  4. Step 4: Simplify right side
    580,198.08x = 174,916,485,452.61
  5. Step 5: Solve for x
    x = 174,916,485,452.61/580,198.08
  6. Step 6: Final answer
    x = 301,477.19

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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.