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Finding the Fourth Proportional to 369,116.40, 553,645.80 and 144,433.20

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Solution

The fourth proportional to 369,116.40, 553,645.80 and 144,433.20 is: 216,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,116.40 : 553,645.80 = 144,433.20 : x
  2. Step 2: Convert to fraction form
    369,116.40/553,645.80 = 144,433.20/x
  3. Step 3: Cross multiply
    369,116.40x = 553,645.80 × 144,433.20
  4. Step 4: Simplify right side
    369,116.40x = 79,964,834,560.56
  5. Step 5: Solve for x
    x = 79,964,834,560.56/369,116.40
  6. Step 6: Final answer
    x = 216,638.53

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