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Finding the Fourth Proportional to 295,913.60, 444,345.60 and 274,083.20

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Solution

The fourth proportional to 295,913.60, 444,345.60 and 274,083.20 is: 411,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,913.60 : 444,345.60 = 274,083.20 : x
  2. Step 2: Convert to fraction form
    295,913.60/444,345.60 = 274,083.20/x
  3. Step 3: Cross multiply
    295,913.60x = 444,345.60 × 274,083.20
  4. Step 4: Simplify right side
    295,913.60x = 121,787,663,953.92
  5. Step 5: Solve for x
    x = 121,787,663,953.92/295,913.60
  6. Step 6: Final answer
    x = 411,564.94

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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.