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Finding the Fourth Proportional to 575,442.82, 863,696 and 291,333.09

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Solution

The fourth proportional to 575,442.82, 863,696 and 291,333.09 is: 437,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,442.82 : 863,696 = 291,333.09 : x
  2. Step 2: Convert to fraction form
    575,442.82/863,696 = 291,333.09/x
  3. Step 3: Cross multiply
    575,442.82x = 863,696 × 291,333.09
  4. Step 4: Simplify right side
    575,442.82x = 251,623,224,500.64
  5. Step 5: Solve for x
    x = 251,623,224,500.64/575,442.82
  6. Step 6: Final answer
    x = 437,268.86

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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.