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Finding the Fourth Proportional to 580,653.85, 870,980.45 and 181,328.84

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Solution

The fourth proportional to 580,653.85, 870,980.45 and 181,328.84 is: 271,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,653.85 : 870,980.45 = 181,328.84 : x
  2. Step 2: Convert to fraction form
    580,653.85/870,980.45 = 181,328.84/x
  3. Step 3: Cross multiply
    580,653.85x = 870,980.45 × 181,328.84
  4. Step 4: Simplify right side
    580,653.85x = 157,933,874,661.18
  5. Step 5: Solve for x
    x = 157,933,874,661.18/580,653.85
  6. Step 6: Final answer
    x = 271,993.16

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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.