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Finding the Fourth Proportional to 446,755.86, 616,527.85 and 242,806.78

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Solution

The fourth proportional to 446,755.86, 616,527.85 and 242,806.78 is: 335,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,755.86 : 616,527.85 = 242,806.78 : x
  2. Step 2: Convert to fraction form
    446,755.86/616,527.85 = 242,806.78/x
  3. Step 3: Cross multiply
    446,755.86x = 616,527.85 × 242,806.78
  4. Step 4: Simplify right side
    446,755.86x = 149,697,142,038.82
  5. Step 5: Solve for x
    x = 149,697,142,038.82/446,755.86
  6. Step 6: Final answer
    x = 335,075.95

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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.