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Finding the Fourth Proportional to 446,391.99, 616,025.39 and 242,446.89

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Solution

The fourth proportional to 446,391.99, 616,025.39 and 242,446.89 is: 334,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,391.99 : 616,025.39 = 242,446.89 : x
  2. Step 2: Convert to fraction form
    446,391.99/616,025.39 = 242,446.89/x
  3. Step 3: Cross multiply
    446,391.99x = 616,025.39 × 242,446.89
  4. Step 4: Simplify right side
    446,391.99x = 149,353,442,112.72
  5. Step 5: Solve for x
    x = 149,353,442,112.72/446,391.99
  6. Step 6: Final answer
    x = 334,579.13

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1.5x scale

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.