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Finding the Fourth Proportional to 295,809.80, 443,714.70 and 245,946.20

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Solution

The fourth proportional to 295,809.80, 443,714.70 and 245,946.20 is: 368,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,809.80 : 443,714.70 = 245,946.20 : x
  2. Step 2: Convert to fraction form
    295,809.80/443,714.70 = 245,946.20/x
  3. Step 3: Cross multiply
    295,809.80x = 443,714.70 × 245,946.20
  4. Step 4: Simplify right side
    295,809.80x = 109,129,944,349.14
  5. Step 5: Solve for x
    x = 109,129,944,349.14/295,809.80
  6. Step 6: Final answer
    x = 368,919.30

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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.