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Finding the Fourth Proportional to 366,720.21, 506,078.48 and 223,493.58

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Solution

The fourth proportional to 366,720.21, 506,078.48 and 223,493.58 is: 308,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,720.21 : 506,078.48 = 223,493.58 : x
  2. Step 2: Convert to fraction form
    366,720.21/506,078.48 = 223,493.58/x
  3. Step 3: Cross multiply
    366,720.21x = 506,078.48 × 223,493.58
  4. Step 4: Simplify right side
    366,720.21x = 113,105,291,814.89
  5. Step 5: Solve for x
    x = 113,105,291,814.89/366,720.21
  6. Step 6: Final answer
    x = 308,423.94

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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.