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Finding the Fourth Proportional to 302,567.20, 436,256.64 and 302,567.20

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Solution

The fourth proportional to 302,567.20, 436,256.64 and 302,567.20 is: 436,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,567.20 : 436,256.64 = 302,567.20 : x
  2. Step 2: Convert to fraction form
    302,567.20/436,256.64 = 302,567.20/x
  3. Step 3: Cross multiply
    302,567.20x = 436,256.64 × 302,567.20
  4. Step 4: Simplify right side
    302,567.20x = 131,996,950,046.21
  5. Step 5: Solve for x
    x = 131,996,950,046.21/302,567.20
  6. Step 6: Final answer
    x = 436,256.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.