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Finding the Fourth Proportional to 269,542.60, 403,779.30 and 236,300.20

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Solution

The fourth proportional to 269,542.60, 403,779.30 and 236,300.20 is: 353,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,542.60 : 403,779.30 = 236,300.20 : x
  2. Step 2: Convert to fraction form
    269,542.60/403,779.30 = 236,300.20/x
  3. Step 3: Cross multiply
    269,542.60x = 403,779.30 × 236,300.20
  4. Step 4: Simplify right side
    269,542.60x = 95,413,129,345.86
  5. Step 5: Solve for x
    x = 95,413,129,345.86/269,542.60
  6. Step 6: Final answer
    x = 353,981.63

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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.