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Finding the Fourth Proportional to 452,483.48, 677,941.25 and 274,617.81

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Solution

The fourth proportional to 452,483.48, 677,941.25 and 274,617.81 is: 411,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,483.48 : 677,941.25 = 274,617.81 : x
  2. Step 2: Convert to fraction form
    452,483.48/677,941.25 = 274,617.81/x
  3. Step 3: Cross multiply
    452,483.48x = 677,941.25 × 274,617.81
  4. Step 4: Simplify right side
    452,483.48x = 186,174,740,010.57
  5. Step 5: Solve for x
    x = 186,174,740,010.57/452,483.48
  6. Step 6: Final answer
    x = 411,450.91

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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.