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Finding the Fourth Proportional to 525,687.06, 788,519.21 and 146,597.68

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Solution

The fourth proportional to 525,687.06, 788,519.21 and 146,597.68 is: 219,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,687.06 : 788,519.21 = 146,597.68 : x
  2. Step 2: Convert to fraction form
    525,687.06/788,519.21 = 146,597.68/x
  3. Step 3: Cross multiply
    525,687.06x = 788,519.21 × 146,597.68
  4. Step 4: Simplify right side
    525,687.06x = 115,595,087,074.09
  5. Step 5: Solve for x
    x = 115,595,087,074.09/525,687.06
  6. Step 6: Final answer
    x = 219,893.35

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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.