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Finding the Fourth Proportional to 353,884.20, 530,048.70 and 307,228.20

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Solution

The fourth proportional to 353,884.20, 530,048.70 and 307,228.20 is: 460,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,884.20 : 530,048.70 = 307,228.20 : x
  2. Step 2: Convert to fraction form
    353,884.20/530,048.70 = 307,228.20/x
  3. Step 3: Cross multiply
    353,884.20x = 530,048.70 × 307,228.20
  4. Step 4: Simplify right side
    353,884.20x = 162,845,908,013.34
  5. Step 5: Solve for x
    x = 162,845,908,013.34/353,884.20
  6. Step 6: Final answer
    x = 460,167.22

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