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Finding the Fourth Proportional to 435,796.00, 653,731.66 and 120,252.90

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Solution

The fourth proportional to 435,796.00, 653,731.66 and 120,252.90 is: 180,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,796.00 : 653,731.66 = 120,252.90 : x
  2. Step 2: Convert to fraction form
    435,796.00/653,731.66 = 120,252.90/x
  3. Step 3: Cross multiply
    435,796.00x = 653,731.66 × 120,252.90
  4. Step 4: Simplify right side
    435,796.00x = 78,613,130,538.62
  5. Step 5: Solve for x
    x = 78,613,130,538.62/435,796.00
  6. Step 6: Final answer
    x = 180,389.75

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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.