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Finding the Fourth Proportional to 565,804.83, 780,795.09 and 311,156.01

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Solution

The fourth proportional to 565,804.83, 780,795.09 and 311,156.01 is: 429,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,804.83 : 780,795.09 = 311,156.01 : x
  2. Step 2: Convert to fraction form
    565,804.83/780,795.09 = 311,156.01/x
  3. Step 3: Cross multiply
    565,804.83x = 780,795.09 × 311,156.01
  4. Step 4: Simplify right side
    565,804.83x = 242,949,084,831.99
  5. Step 5: Solve for x
    x = 242,949,084,831.99/565,804.83
  6. Step 6: Final answer
    x = 429,386.73

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