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Finding the Fourth Proportional to 476,448.76, 657,500.61 and 261,602.74

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Solution

The fourth proportional to 476,448.76, 657,500.61 and 261,602.74 is: 361,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,448.76 : 657,500.61 = 261,602.74 : x
  2. Step 2: Convert to fraction form
    476,448.76/657,500.61 = 261,602.74/x
  3. Step 3: Cross multiply
    476,448.76x = 657,500.61 × 261,602.74
  4. Step 4: Simplify right side
    476,448.76x = 172,003,961,127.67
  5. Step 5: Solve for x
    x = 172,003,961,127.67/476,448.76
  6. Step 6: Final answer
    x = 361,012.51

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