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Finding the Fourth Proportional to 366,055.62, 506,120.67 and 320,603.27

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Solution

The fourth proportional to 366,055.62, 506,120.67 and 320,603.27 is: 443,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,055.62 : 506,120.67 = 320,603.27 : x
  2. Step 2: Convert to fraction form
    366,055.62/506,120.67 = 320,603.27/x
  3. Step 3: Cross multiply
    366,055.62x = 506,120.67 × 320,603.27
  4. Step 4: Simplify right side
    366,055.62x = 162,263,937,933.44
  5. Step 5: Solve for x
    x = 162,263,937,933.44/366,055.62
  6. Step 6: Final answer
    x = 443,276.73

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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.