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Finding the Fourth Proportional to 529,437.98, 794,150.12 and 130,080.62

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Solution

The fourth proportional to 529,437.98, 794,150.12 and 130,080.62 is: 195,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,437.98 : 794,150.12 = 130,080.62 : x
  2. Step 2: Convert to fraction form
    529,437.98/794,150.12 = 130,080.62/x
  3. Step 3: Cross multiply
    529,437.98x = 794,150.12 × 130,080.62
  4. Step 4: Simplify right side
    529,437.98x = 103,303,539,982.67
  5. Step 5: Solve for x
    x = 103,303,539,982.67/529,437.98
  6. Step 6: Final answer
    x = 195,119.25

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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.