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Finding the Fourth Proportional to 559,708.76, 772,508.31 and 389,844.47

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Solution

The fourth proportional to 559,708.76, 772,508.31 and 389,844.47 is: 538,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,708.76 : 772,508.31 = 389,844.47 : x
  2. Step 2: Convert to fraction form
    559,708.76/772,508.31 = 389,844.47/x
  3. Step 3: Cross multiply
    559,708.76x = 772,508.31 × 389,844.47
  4. Step 4: Simplify right side
    559,708.76x = 301,158,094,613.82
  5. Step 5: Solve for x
    x = 301,158,094,613.82/559,708.76
  6. Step 6: Final answer
    x = 538,062.14

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