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Finding the Fourth Proportional to 446,465.57, 616,133.60 and 242,516.43

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Solution

The fourth proportional to 446,465.57, 616,133.60 and 242,516.43 is: 334,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,465.57 : 616,133.60 = 242,516.43 : x
  2. Step 2: Convert to fraction form
    446,465.57/616,133.60 = 242,516.43/x
  3. Step 3: Cross multiply
    446,465.57x = 616,133.60 × 242,516.43
  4. Step 4: Simplify right side
    446,465.57x = 149,422,521,112.94
  5. Step 5: Solve for x
    x = 149,422,521,112.94/446,465.57
  6. Step 6: Final answer
    x = 334,678.71

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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.