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Finding the Fourth Proportional to 296,078.20, 443,461.20 and 243,590.20

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Solution

The fourth proportional to 296,078.20, 443,461.20 and 243,590.20 is: 364,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,078.20 : 443,461.20 = 243,590.20 : x
  2. Step 2: Convert to fraction form
    296,078.20/443,461.20 = 243,590.20/x
  3. Step 3: Cross multiply
    296,078.20x = 443,461.20 × 243,590.20
  4. Step 4: Simplify right side
    296,078.20x = 108,022,802,400.24
  5. Step 5: Solve for x
    x = 108,022,802,400.24/296,078.20
  6. Step 6: Final answer
    x = 364,845.51

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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.