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Finding the Fourth Proportional to 382,032.90, 572,903.55 and 115,704.90

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Solution

The fourth proportional to 382,032.90, 572,903.55 and 115,704.90 is: 173,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,032.90 : 572,903.55 = 115,704.90 : x
  2. Step 2: Convert to fraction form
    382,032.90/572,903.55 = 115,704.90/x
  3. Step 3: Cross multiply
    382,032.90x = 572,903.55 × 115,704.90
  4. Step 4: Simplify right side
    382,032.90x = 66,287,747,962.40
  5. Step 5: Solve for x
    x = 66,287,747,962.40/382,032.90
  6. Step 6: Final answer
    x = 173,513.19

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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.