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Finding the Fourth Proportional to 480,886.55, 721,130.33 and 177,297.96

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Solution

The fourth proportional to 480,886.55, 721,130.33 and 177,297.96 is: 265,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,886.55 : 721,130.33 = 177,297.96 : x
  2. Step 2: Convert to fraction form
    480,886.55/721,130.33 = 177,297.96/x
  3. Step 3: Cross multiply
    480,886.55x = 721,130.33 × 177,297.96
  4. Step 4: Simplify right side
    480,886.55x = 127,854,935,516.64
  5. Step 5: Solve for x
    x = 127,854,935,516.64/480,886.55
  6. Step 6: Final answer
    x = 265,873.39

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