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Finding the Fourth Proportional to 843,254.72, 1,264,000.80 and 369,540.80

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Solution

The fourth proportional to 843,254.72, 1,264,000.80 and 369,540.80 is: 553,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,254.72 : 1,264,000.80 = 369,540.80 : x
  2. Step 2: Convert to fraction form
    843,254.72/1,264,000.80 = 369,540.80/x
  3. Step 3: Cross multiply
    843,254.72x = 1,264,000.80 × 369,540.80
  4. Step 4: Simplify right side
    843,254.72x = 467,099,866,832.64
  5. Step 5: Solve for x
    x = 467,099,866,832.64/843,254.72
  6. Step 6: Final answer
    x = 553,925.00

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