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Finding the Fourth Proportional to 328,497.10, 492,106.55 and 215,835.01

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Solution

The fourth proportional to 328,497.10, 492,106.55 and 215,835.01 is: 323,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,497.10 : 492,106.55 = 215,835.01 : x
  2. Step 2: Convert to fraction form
    328,497.10/492,106.55 = 215,835.01/x
  3. Step 3: Cross multiply
    328,497.10x = 492,106.55 × 215,835.01
  4. Step 4: Simplify right side
    328,497.10x = 106,213,819,830.87
  5. Step 5: Solve for x
    x = 106,213,819,830.87/328,497.10
  6. Step 6: Final answer
    x = 323,332.60

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