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Finding the Fourth Proportional to 526,991.06, 790,508.46 and 153,014.06

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Solution

The fourth proportional to 526,991.06, 790,508.46 and 153,014.06 is: 229,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,991.06 : 790,508.46 = 153,014.06 : x
  2. Step 2: Convert to fraction form
    526,991.06/790,508.46 = 153,014.06/x
  3. Step 3: Cross multiply
    526,991.06x = 790,508.46 × 153,014.06
  4. Step 4: Simplify right side
    526,991.06x = 120,958,911,479.02
  5. Step 5: Solve for x
    x = 120,958,911,479.02/526,991.06
  6. Step 6: Final answer
    x = 229,527.44

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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.