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Finding the Fourth Proportional to 768,730.64, 1,153,100.06 and 504,166.52

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Solution

The fourth proportional to 768,730.64, 1,153,100.06 and 504,166.52 is: 756,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,730.64 : 1,153,100.06 = 504,166.52 : x
  2. Step 2: Convert to fraction form
    768,730.64/1,153,100.06 = 504,166.52/x
  3. Step 3: Cross multiply
    768,730.64x = 1,153,100.06 × 504,166.52
  4. Step 4: Simplify right side
    768,730.64x = 581,354,436,175.66
  5. Step 5: Solve for x
    x = 581,354,436,175.66/768,730.64
  6. Step 6: Final answer
    x = 756,252.46

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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.