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Finding the Fourth Proportional to 511,246.80, 766,870.20 and 470,811.60

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Solution

The fourth proportional to 511,246.80, 766,870.20 and 470,811.60 is: 706,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,246.80 : 766,870.20 = 470,811.60 : x
  2. Step 2: Convert to fraction form
    511,246.80/766,870.20 = 470,811.60/x
  3. Step 3: Cross multiply
    511,246.80x = 766,870.20 × 470,811.60
  4. Step 4: Simplify right side
    511,246.80x = 361,051,385,854.32
  5. Step 5: Solve for x
    x = 361,051,385,854.32/511,246.80
  6. Step 6: Final answer
    x = 706,217.40

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