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Finding the Fourth Proportional to 270,003.30, 404,810.55 and 151,710.90

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Solution

The fourth proportional to 270,003.30, 404,810.55 and 151,710.90 is: 227,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,003.30 : 404,810.55 = 151,710.90 : x
  2. Step 2: Convert to fraction form
    270,003.30/404,810.55 = 151,710.90/x
  3. Step 3: Cross multiply
    270,003.30x = 404,810.55 × 151,710.90
  4. Step 4: Simplify right side
    270,003.30x = 61,414,172,870.00
  5. Step 5: Solve for x
    x = 61,414,172,870.00/270,003.30
  6. Step 6: Final answer
    x = 227,457.12

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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.