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Finding the Fourth Proportional to 338,473.19, 507,578.56 and 180,615.53

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Solution

The fourth proportional to 338,473.19, 507,578.56 and 180,615.53 is: 270,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,473.19 : 507,578.56 = 180,615.53 : x
  2. Step 2: Convert to fraction form
    338,473.19/507,578.56 = 180,615.53/x
  3. Step 3: Cross multiply
    338,473.19x = 507,578.56 × 180,615.53
  4. Step 4: Simplify right side
    338,473.19x = 91,676,570,631.04
  5. Step 5: Solve for x
    x = 91,676,570,631.04/338,473.19
  6. Step 6: Final answer
    x = 270,853.27

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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.