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Finding the Fourth Proportional to 383,996, 575,972.42 and 117,755.77

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Solution

The fourth proportional to 383,996, 575,972.42 and 117,755.77 is: 176,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,996 : 575,972.42 = 117,755.77 : x
  2. Step 2: Convert to fraction form
    383,996/575,972.42 = 117,755.77/x
  3. Step 3: Cross multiply
    383,996x = 575,972.42 × 117,755.77
  4. Step 4: Simplify right side
    383,996x = 67,824,075,815.86
  5. Step 5: Solve for x
    x = 67,824,075,815.86/383,996
  6. Step 6: Final answer
    x = 176,627.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.