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Finding the Fourth Proportional to 616,183.92, 850,356.36 and 340,544.16

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Solution

The fourth proportional to 616,183.92, 850,356.36 and 340,544.16 is: 469,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,183.92 : 850,356.36 = 340,544.16 : x
  2. Step 2: Convert to fraction form
    616,183.92/850,356.36 = 340,544.16/x
  3. Step 3: Cross multiply
    616,183.92x = 850,356.36 × 340,544.16
  4. Step 4: Simplify right side
    616,183.92x = 289,583,892,316.86
  5. Step 5: Solve for x
    x = 289,583,892,316.86/616,183.92
  6. Step 6: Final answer
    x = 469,963.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.