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Finding the Fourth Proportional to 425,233.20, 637,619.40 and 175,940.40

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Solution

The fourth proportional to 425,233.20, 637,619.40 and 175,940.40 is: 263,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,233.20 : 637,619.40 = 175,940.40 : x
  2. Step 2: Convert to fraction form
    425,233.20/637,619.40 = 175,940.40/x
  3. Step 3: Cross multiply
    425,233.20x = 637,619.40 × 175,940.40
  4. Step 4: Simplify right side
    425,233.20x = 112,183,012,283.76
  5. Step 5: Solve for x
    x = 112,183,012,283.76/425,233.20
  6. Step 6: Final answer
    x = 263,815.27

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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.