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Finding the Fourth Proportional to 446,512.80, 616,174.80 and 242,554.80

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Solution

The fourth proportional to 446,512.80, 616,174.80 and 242,554.80 is: 334,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,512.80 : 616,174.80 = 242,554.80 : x
  2. Step 2: Convert to fraction form
    446,512.80/616,174.80 = 242,554.80/x
  3. Step 3: Cross multiply
    446,512.80x = 616,174.80 × 242,554.80
  4. Step 4: Simplify right side
    446,512.80x = 149,456,155,379.04
  5. Step 5: Solve for x
    x = 149,456,155,379.04/446,512.80
  6. Step 6: Final answer
    x = 334,718.64

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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.