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Finding the Fourth Proportional to 577,435.14, 866,405.91 and 274,048.42

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Solution

The fourth proportional to 577,435.14, 866,405.91 and 274,048.42 is: 411,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,435.14 : 866,405.91 = 274,048.42 : x
  2. Step 2: Convert to fraction form
    577,435.14/866,405.91 = 274,048.42/x
  3. Step 3: Cross multiply
    577,435.14x = 866,405.91 × 274,048.42
  4. Step 4: Simplify right side
    577,435.14x = 237,437,170,714.16
  5. Step 5: Solve for x
    x = 237,437,170,714.16/577,435.14
  6. Step 6: Final answer
    x = 411,192.80

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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.