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Finding the Fourth Proportional to 338,349.53, 507,488.52 and 178,361.36

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Solution

The fourth proportional to 338,349.53, 507,488.52 and 178,361.36 is: 267,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,349.53 : 507,488.52 = 178,361.36 : x
  2. Step 2: Convert to fraction form
    338,349.53/507,488.52 = 178,361.36/x
  3. Step 3: Cross multiply
    338,349.53x = 507,488.52 × 178,361.36
  4. Step 4: Simplify right side
    338,349.53x = 90,516,345,500.70
  5. Step 5: Solve for x
    x = 90,516,345,500.70/338,349.53
  6. Step 6: Final answer
    x = 267,523.19

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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.