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Finding the Fourth Proportional to 492,157.92, 738,335.22 and 155,250.72

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Solution

The fourth proportional to 492,157.92, 738,335.22 and 155,250.72 is: 232,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,157.92 : 738,335.22 = 155,250.72 : x
  2. Step 2: Convert to fraction form
    492,157.92/738,335.22 = 155,250.72/x
  3. Step 3: Cross multiply
    492,157.92x = 738,335.22 × 155,250.72
  4. Step 4: Simplify right side
    492,157.92x = 114,627,074,506.36
  5. Step 5: Solve for x
    x = 114,627,074,506.36/492,157.92
  6. Step 6: Final answer
    x = 232,907.10

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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.