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Finding the Fourth Proportional to 355,097.60, 532,646.40 and 307,404.80

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Solution

The fourth proportional to 355,097.60, 532,646.40 and 307,404.80 is: 461,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,097.60 : 532,646.40 = 307,404.80 : x
  2. Step 2: Convert to fraction form
    355,097.60/532,646.40 = 307,404.80/x
  3. Step 3: Cross multiply
    355,097.60x = 532,646.40 × 307,404.80
  4. Step 4: Simplify right side
    355,097.60x = 163,738,060,062.72
  5. Step 5: Solve for x
    x = 163,738,060,062.72/355,097.60
  6. Step 6: Final answer
    x = 461,107.20

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