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Finding the Fourth Proportional to 362,372.04, 499,992.90 and 219,129.08

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Solution

The fourth proportional to 362,372.04, 499,992.90 and 219,129.08 is: 302,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,372.04 : 499,992.90 = 219,129.08 : x
  2. Step 2: Convert to fraction form
    362,372.04/499,992.90 = 219,129.08/x
  3. Step 3: Cross multiply
    362,372.04x = 499,992.90 × 219,129.08
  4. Step 4: Simplify right side
    362,372.04x = 109,562,984,183.53
  5. Step 5: Solve for x
    x = 109,562,984,183.53/362,372.04
  6. Step 6: Final answer
    x = 302,349.44

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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.