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Finding the Fourth Proportional to 544,877.94, 815,742.27 and 345,423.54

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Solution

The fourth proportional to 544,877.94, 815,742.27 and 345,423.54 is: 517,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,877.94 : 815,742.27 = 345,423.54 : x
  2. Step 2: Convert to fraction form
    544,877.94/815,742.27 = 345,423.54/x
  3. Step 3: Cross multiply
    544,877.94x = 815,742.27 × 345,423.54
  4. Step 4: Simplify right side
    544,877.94x = 281,776,582,631.04
  5. Step 5: Solve for x
    x = 281,776,582,631.04/544,877.94
  6. Step 6: Final answer
    x = 517,137.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.