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Finding the Fourth Proportional to 384,913.20, 577,369.80 and 104,430.45

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Solution

The fourth proportional to 384,913.20, 577,369.80 and 104,430.45 is: 156,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913.20 : 577,369.80 = 104,430.45 : x
  2. Step 2: Convert to fraction form
    384,913.20/577,369.80 = 104,430.45/x
  3. Step 3: Cross multiply
    384,913.20x = 577,369.80 × 104,430.45
  4. Step 4: Simplify right side
    384,913.20x = 60,294,988,030.41
  5. Step 5: Solve for x
    x = 60,294,988,030.41/384,913.20
  6. Step 6: Final answer
    x = 156,645.68

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