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Finding the Fourth Proportional to 295,820.20, 443,730.30 and 243,332.20

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Solution

The fourth proportional to 295,820.20, 443,730.30 and 243,332.20 is: 364,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,820.20 : 443,730.30 = 243,332.20 : x
  2. Step 2: Convert to fraction form
    295,820.20/443,730.30 = 243,332.20/x
  3. Step 3: Cross multiply
    295,820.20x = 443,730.30 × 243,332.20
  4. Step 4: Simplify right side
    295,820.20x = 107,973,870,105.66
  5. Step 5: Solve for x
    x = 107,973,870,105.66/295,820.20
  6. Step 6: Final answer
    x = 364,998.30

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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.