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Finding the Fourth Proportional to 383,422.19, 575,070.91 and 181,017.88

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Solution

The fourth proportional to 383,422.19, 575,070.91 and 181,017.88 is: 271,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,422.19 : 575,070.91 = 181,017.88 : x
  2. Step 2: Convert to fraction form
    383,422.19/575,070.91 = 181,017.88/x
  3. Step 3: Cross multiply
    383,422.19x = 575,070.91 × 181,017.88
  4. Step 4: Simplify right side
    383,422.19x = 104,098,115,087.65
  5. Step 5: Solve for x
    x = 104,098,115,087.65/383,422.19
  6. Step 6: Final answer
    x = 271,497.37

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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.