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Finding the Fourth Proportional to 528,956.36, 729,753.30 and 302,480.84

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Solution

The fourth proportional to 528,956.36, 729,753.30 and 302,480.84 is: 417,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,956.36 : 729,753.30 = 302,480.84 : x
  2. Step 2: Convert to fraction form
    528,956.36/729,753.30 = 302,480.84/x
  3. Step 3: Cross multiply
    528,956.36x = 729,753.30 × 302,480.84
  4. Step 4: Simplify right side
    528,956.36x = 220,736,391,176.77
  5. Step 5: Solve for x
    x = 220,736,391,176.77/528,956.36
  6. Step 6: Final answer
    x = 417,305.49

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