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Finding the Fourth Proportional to 533,028.89, 735,508.80 and 342,300.62

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Solution

The fourth proportional to 533,028.89, 735,508.80 and 342,300.62 is: 472,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,028.89 : 735,508.80 = 342,300.62 : x
  2. Step 2: Convert to fraction form
    533,028.89/735,508.80 = 342,300.62/x
  3. Step 3: Cross multiply
    533,028.89x = 735,508.80 × 342,300.62
  4. Step 4: Simplify right side
    533,028.89x = 251,765,114,577.91
  5. Step 5: Solve for x
    x = 251,765,114,577.91/533,028.89
  6. Step 6: Final answer
    x = 472,329.21

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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.