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Finding the Fourth Proportional to 340,446.48, 469,577.16 and 295,044.72

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Solution

The fourth proportional to 340,446.48, 469,577.16 and 295,044.72 is: 406,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,446.48 : 469,577.16 = 295,044.72 : x
  2. Step 2: Convert to fraction form
    340,446.48/469,577.16 = 295,044.72/x
  3. Step 3: Cross multiply
    340,446.48x = 469,577.16 × 295,044.72
  4. Step 4: Simplify right side
    340,446.48x = 138,546,261,690.60
  5. Step 5: Solve for x
    x = 138,546,261,690.60/340,446.48
  6. Step 6: Final answer
    x = 406,954.60

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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.