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Finding the Fourth Proportional to 341,118.22, 511,678.53 and 104,459.86

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Solution

The fourth proportional to 341,118.22, 511,678.53 and 104,459.86 is: 156,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,118.22 : 511,678.53 = 104,459.86 : x
  2. Step 2: Convert to fraction form
    341,118.22/511,678.53 = 104,459.86/x
  3. Step 3: Cross multiply
    341,118.22x = 511,678.53 × 104,459.86
  4. Step 4: Simplify right side
    341,118.22x = 53,449,867,608.81
  5. Step 5: Solve for x
    x = 53,449,867,608.81/341,118.22
  6. Step 6: Final answer
    x = 156,690.16

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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.