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Finding the Fourth Proportional to 543,742.24, 750,573.56 and 362,388

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Solution

The fourth proportional to 543,742.24, 750,573.56 and 362,388 is: 500,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,742.24 : 750,573.56 = 362,388 : x
  2. Step 2: Convert to fraction form
    543,742.24/750,573.56 = 362,388/x
  3. Step 3: Cross multiply
    543,742.24x = 750,573.56 × 362,388
  4. Step 4: Simplify right side
    543,742.24x = 271,998,851,261.28
  5. Step 5: Solve for x
    x = 271,998,851,261.28/543,742.24
  6. Step 6: Final answer
    x = 500,234.91

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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.