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Finding the Fourth Proportional to 593,426,993.55, 818,978,276.42 and 329,194,178.43

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Solution

The fourth proportional to 593,426,993.55, 818,978,276.42 and 329,194,178.43 is: 454,315,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,426,993.55 : 818,978,276.42 = 329,194,178.43 : x
  2. Step 2: Convert to fraction form
    593,426,993.55/818,978,276.42 = 329,194,178.43/x
  3. Step 3: Cross multiply
    593,426,993.55x = 818,978,276.42 × 329,194,178.43
  4. Step 4: Simplify right side
    593,426,993.55x = 269,602,880,858,099,328
  5. Step 5: Solve for x
    x = 269,602,880,858,099,328/593,426,993.55
  6. Step 6: Final answer
    x = 454,315,162.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.