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Finding the Fourth Proportional to 343,883.64, 515,590.18 and 175,077.32

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Solution

The fourth proportional to 343,883.64, 515,590.18 and 175,077.32 is: 262,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,883.64 : 515,590.18 = 175,077.32 : x
  2. Step 2: Convert to fraction form
    343,883.64/515,590.18 = 175,077.32/x
  3. Step 3: Cross multiply
    343,883.64x = 515,590.18 × 175,077.32
  4. Step 4: Simplify right side
    343,883.64x = 90,268,143,917.07
  5. Step 5: Solve for x
    x = 90,268,143,917.07/343,883.64
  6. Step 6: Final answer
    x = 262,496.18

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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.