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Finding the Fourth Proportional to 536,708.64, 805,015.92 and 181,714.56

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Solution

The fourth proportional to 536,708.64, 805,015.92 and 181,714.56 is: 272,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,708.64 : 805,015.92 = 181,714.56 : x
  2. Step 2: Convert to fraction form
    536,708.64/805,015.92 = 181,714.56/x
  3. Step 3: Cross multiply
    536,708.64x = 805,015.92 × 181,714.56
  4. Step 4: Simplify right side
    536,708.64x = 146,283,113,695.80
  5. Step 5: Solve for x
    x = 146,283,113,695.80/536,708.64
  6. Step 6: Final answer
    x = 272,555.91

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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.