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Finding the Fourth Proportional to 446,755.25, 616,526.34 and 242,806.72

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Solution

The fourth proportional to 446,755.25, 616,526.34 and 242,806.72 is: 335,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,755.25 : 616,526.34 = 242,806.72 : x
  2. Step 2: Convert to fraction form
    446,755.25/616,526.34 = 242,806.72/x
  3. Step 3: Cross multiply
    446,755.25x = 616,526.34 × 242,806.72
  4. Step 4: Simplify right side
    446,755.25x = 149,696,737,778.21
  5. Step 5: Solve for x
    x = 149,696,737,778.21/446,755.25
  6. Step 6: Final answer
    x = 335,075.50

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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.