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Finding the Fourth Proportional to 382,004.40, 573,005.88 and 101,521.62

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Solution

The fourth proportional to 382,004.40, 573,005.88 and 101,521.62 is: 152,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,004.40 : 573,005.88 = 101,521.62 : x
  2. Step 2: Convert to fraction form
    382,004.40/573,005.88 = 101,521.62/x
  3. Step 3: Cross multiply
    382,004.40x = 573,005.88 × 101,521.62
  4. Step 4: Simplify right side
    382,004.40x = 58,172,485,207.13
  5. Step 5: Solve for x
    x = 58,172,485,207.13/382,004.40
  6. Step 6: Final answer
    x = 152,282.24

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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.