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Finding the Fourth Proportional to 529,572.65, 794,352.07 and 130,216.88

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Solution

The fourth proportional to 529,572.65, 794,352.07 and 130,216.88 is: 195,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,572.65 : 794,352.07 = 130,216.88 : x
  2. Step 2: Convert to fraction form
    529,572.65/794,352.07 = 130,216.88/x
  3. Step 3: Cross multiply
    529,572.65x = 794,352.07 × 130,216.88
  4. Step 4: Simplify right side
    529,572.65x = 103,438,049,593.12
  5. Step 5: Solve for x
    x = 103,438,049,593.12/529,572.65
  6. Step 6: Final answer
    x = 195,323.62

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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.