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Finding the Fourth Proportional to 364,550.55, 503,125.20 and 211,555.89

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Solution

The fourth proportional to 364,550.55, 503,125.20 and 211,555.89 is: 291,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,550.55 : 503,125.20 = 211,555.89 : x
  2. Step 2: Convert to fraction form
    364,550.55/503,125.20 = 211,555.89/x
  3. Step 3: Cross multiply
    364,550.55x = 503,125.20 × 211,555.89
  4. Step 4: Simplify right side
    364,550.55x = 106,439,099,467.43
  5. Step 5: Solve for x
    x = 106,439,099,467.43/364,550.55
  6. Step 6: Final answer
    x = 291,973.50

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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.