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Finding the Fourth Proportional to 526,991.44, 790,509.04 and 153,014.48

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Solution

The fourth proportional to 526,991.44, 790,509.04 and 153,014.48 is: 229,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,991.44 : 790,509.04 = 153,014.48 : x
  2. Step 2: Convert to fraction form
    526,991.44/790,509.04 = 153,014.48/x
  3. Step 3: Cross multiply
    526,991.44x = 790,509.04 × 153,014.48
  4. Step 4: Simplify right side
    526,991.44x = 120,959,329,690.90
  5. Step 5: Solve for x
    x = 120,959,329,690.90/526,991.44
  6. Step 6: Final answer
    x = 229,528.07

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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.