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Finding the Fourth Proportional to 288,046.80, 432,070.20 and 241,390.80

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Solution

The fourth proportional to 288,046.80, 432,070.20 and 241,390.80 is: 362,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,046.80 : 432,070.20 = 241,390.80 : x
  2. Step 2: Convert to fraction form
    288,046.80/432,070.20 = 241,390.80/x
  3. Step 3: Cross multiply
    288,046.80x = 432,070.20 × 241,390.80
  4. Step 4: Simplify right side
    288,046.80x = 104,297,771,234.16
  5. Step 5: Solve for x
    x = 104,297,771,234.16/288,046.80
  6. Step 6: Final answer
    x = 362,086.20

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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.