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Finding the Fourth Proportional to 553,630.80, 830,446.20 and 301,032.30

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Solution

The fourth proportional to 553,630.80, 830,446.20 and 301,032.30 is: 451,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,630.80 : 830,446.20 = 301,032.30 : x
  2. Step 2: Convert to fraction form
    553,630.80/830,446.20 = 301,032.30/x
  3. Step 3: Cross multiply
    553,630.80x = 830,446.20 × 301,032.30
  4. Step 4: Simplify right side
    553,630.80x = 249,991,129,612.26
  5. Step 5: Solve for x
    x = 249,991,129,612.26/553,630.80
  6. Step 6: Final answer
    x = 451,548.45

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