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Finding the Fourth Proportional to 502,730.20, 753,670.45 and 218,205.55

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Solution

The fourth proportional to 502,730.20, 753,670.45 and 218,205.55 is: 327,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,730.20 : 753,670.45 = 218,205.55 : x
  2. Step 2: Convert to fraction form
    502,730.20/753,670.45 = 218,205.55/x
  3. Step 3: Cross multiply
    502,730.20x = 753,670.45 × 218,205.55
  4. Step 4: Simplify right side
    502,730.20x = 164,455,075,061.00
  5. Step 5: Solve for x
    x = 164,455,075,061.00/502,730.20
  6. Step 6: Final answer
    x = 327,123.92

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