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Finding the Fourth Proportional to 625,618.56, 938,559.06 and 270,683.04

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Solution

The fourth proportional to 625,618.56, 938,559.06 and 270,683.04 is: 406,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,618.56 : 938,559.06 = 270,683.04 : x
  2. Step 2: Convert to fraction form
    625,618.56/938,559.06 = 270,683.04/x
  3. Step 3: Cross multiply
    625,618.56x = 938,559.06 × 270,683.04
  4. Step 4: Simplify right side
    625,618.56x = 254,052,019,580.34
  5. Step 5: Solve for x
    x = 254,052,019,580.34/625,618.56
  6. Step 6: Final answer
    x = 406,081.33

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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.