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Finding the Fourth Proportional to 598,143.84, 825,343.80 and 356,420.40

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Solution

The fourth proportional to 598,143.84, 825,343.80 and 356,420.40 is: 491,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,143.84 : 825,343.80 = 356,420.40 : x
  2. Step 2: Convert to fraction form
    598,143.84/825,343.80 = 356,420.40/x
  3. Step 3: Cross multiply
    598,143.84x = 825,343.80 × 356,420.40
  4. Step 4: Simplify right side
    598,143.84x = 294,169,367,333.52
  5. Step 5: Solve for x
    x = 294,169,367,333.52/598,143.84
  6. Step 6: Final answer
    x = 491,803.72

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