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Finding the Fourth Proportional to 343,877.42, 515,832.53 and 144,204.32

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Solution

The fourth proportional to 343,877.42, 515,832.53 and 144,204.32 is: 216,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,877.42 : 515,832.53 = 144,204.32 : x
  2. Step 2: Convert to fraction form
    343,877.42/515,832.53 = 144,204.32/x
  3. Step 3: Cross multiply
    343,877.42x = 515,832.53 × 144,204.32
  4. Step 4: Simplify right side
    343,877.42x = 74,385,275,922.35
  5. Step 5: Solve for x
    x = 74,385,275,922.35/343,877.42
  6. Step 6: Final answer
    x = 216,313.35

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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.