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Finding the Fourth Proportional to 713,658.80, 1,070,488.20 and 573,690.80

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Solution

The fourth proportional to 713,658.80, 1,070,488.20 and 573,690.80 is: 860,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,658.80 : 1,070,488.20 = 573,690.80 : x
  2. Step 2: Convert to fraction form
    713,658.80/1,070,488.20 = 573,690.80/x
  3. Step 3: Cross multiply
    713,658.80x = 1,070,488.20 × 573,690.80
  4. Step 4: Simplify right side
    713,658.80x = 614,129,231,848.56
  5. Step 5: Solve for x
    x = 614,129,231,848.56/713,658.80
  6. Step 6: Final answer
    x = 860,536.20

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