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Finding the Fourth Proportional to 368,367.96, 550,455.01 and 276,585

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Solution

The fourth proportional to 368,367.96, 550,455.01 and 276,585 is: 413,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,367.96 : 550,455.01 = 276,585 : x
  2. Step 2: Convert to fraction form
    368,367.96/550,455.01 = 276,585/x
  3. Step 3: Cross multiply
    368,367.96x = 550,455.01 × 276,585
  4. Step 4: Simplify right side
    368,367.96x = 152,247,598,940.85
  5. Step 5: Solve for x
    x = 152,247,598,940.85/368,367.96
  6. Step 6: Final answer
    x = 413,303.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.