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Finding the Fourth Proportional to 378,523.53, 567,697.68 and 112,219.83

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Solution

The fourth proportional to 378,523.53, 567,697.68 and 112,219.83 is: 168,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,523.53 : 567,697.68 = 112,219.83 : x
  2. Step 2: Convert to fraction form
    378,523.53/567,697.68 = 112,219.83/x
  3. Step 3: Cross multiply
    378,523.53x = 567,697.68 × 112,219.83
  4. Step 4: Simplify right side
    378,523.53x = 63,706,937,140.99
  5. Step 5: Solve for x
    x = 63,706,937,140.99/378,523.53
  6. Step 6: Final answer
    x = 168,303.77

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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.