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Finding the Fourth Proportional to 318,294.64, 439,246.76 and 175,064.40

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Solution

The fourth proportional to 318,294.64, 439,246.76 and 175,064.40 is: 241,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,294.64 : 439,246.76 = 175,064.40 : x
  2. Step 2: Convert to fraction form
    318,294.64/439,246.76 = 175,064.40/x
  3. Step 3: Cross multiply
    318,294.64x = 439,246.76 × 175,064.40
  4. Step 4: Simplify right side
    318,294.64x = 76,896,470,491.34
  5. Step 5: Solve for x
    x = 76,896,470,491.34/318,294.64
  6. Step 6: Final answer
    x = 241,588.96

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