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Finding the Fourth Proportional to 518,967.18, 778,797 and 182,007.54

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Solution

The fourth proportional to 518,967.18, 778,797 and 182,007.54 is: 273,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,967.18 : 778,797 = 182,007.54 : x
  2. Step 2: Convert to fraction form
    518,967.18/778,797 = 182,007.54/x
  3. Step 3: Cross multiply
    518,967.18x = 778,797 × 182,007.54
  4. Step 4: Simplify right side
    518,967.18x = 141,746,926,129.38
  5. Step 5: Solve for x
    x = 141,746,926,129.38/518,967.18
  6. Step 6: Final answer
    x = 273,132.74

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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.