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Finding the Fourth Proportional to 446,617.71, 616,324.94 and 242,671.77

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Solution

The fourth proportional to 446,617.71, 616,324.94 and 242,671.77 is: 334,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,617.71 : 616,324.94 = 242,671.77 : x
  2. Step 2: Convert to fraction form
    446,617.71/616,324.94 = 242,671.77/x
  3. Step 3: Cross multiply
    446,617.71x = 616,324.94 × 242,671.77
  4. Step 4: Simplify right side
    446,617.71x = 149,564,664,084.94
  5. Step 5: Solve for x
    x = 149,564,664,084.94/446,617.71
  6. Step 6: Final answer
    x = 334,882.97

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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.