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Finding the Fourth Proportional to 539,007.90, 807,863.85 and 223,302.30

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Solution

The fourth proportional to 539,007.90, 807,863.85 and 223,302.30 is: 334,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,007.90 : 807,863.85 = 223,302.30 : x
  2. Step 2: Convert to fraction form
    539,007.90/807,863.85 = 223,302.30/x
  3. Step 3: Cross multiply
    539,007.90x = 807,863.85 × 223,302.30
  4. Step 4: Simplify right side
    539,007.90x = 180,397,855,791.86
  5. Step 5: Solve for x
    x = 180,397,855,791.86/539,007.90
  6. Step 6: Final answer
    x = 334,684.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.