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Finding the Fourth Proportional to 518,585.05, 777,697.66 and 181,618.27

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Solution

The fourth proportional to 518,585.05, 777,697.66 and 181,618.27 is: 272,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,585.05 : 777,697.66 = 181,618.27 : x
  2. Step 2: Convert to fraction form
    518,585.05/777,697.66 = 181,618.27/x
  3. Step 3: Cross multiply
    518,585.05x = 777,697.66 × 181,618.27
  4. Step 4: Simplify right side
    518,585.05x = 141,244,103,592.25
  5. Step 5: Solve for x
    x = 141,244,103,592.25/518,585.05
  6. Step 6: Final answer
    x = 272,364.40

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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.