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Finding the Fourth Proportional to 537,173.62, 741,429.02 and 307,865.30

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Solution

The fourth proportional to 537,173.62, 741,429.02 and 307,865.30 is: 424,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,173.62 : 741,429.02 = 307,865.30 : x
  2. Step 2: Convert to fraction form
    537,173.62/741,429.02 = 307,865.30/x
  3. Step 3: Cross multiply
    537,173.62x = 741,429.02 × 307,865.30
  4. Step 4: Simplify right side
    537,173.62x = 228,260,267,671.01
  5. Step 5: Solve for x
    x = 228,260,267,671.01/537,173.62
  6. Step 6: Final answer
    x = 424,928.29

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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.