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Finding the Fourth Proportional to 364,538.80, 510,879.20 and 364,538.80

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Solution

The fourth proportional to 364,538.80, 510,879.20 and 364,538.80 is: 510,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,538.80 : 510,879.20 = 364,538.80 : x
  2. Step 2: Convert to fraction form
    364,538.80/510,879.20 = 364,538.80/x
  3. Step 3: Cross multiply
    364,538.80x = 510,879.20 × 364,538.80
  4. Step 4: Simplify right side
    364,538.80x = 186,235,290,512.96
  5. Step 5: Solve for x
    x = 186,235,290,512.96/364,538.80
  6. Step 6: Final answer
    x = 510,879.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.