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Finding the Fourth Proportional to 382,053.02, 573,078.90 and 101,570.30

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Solution

The fourth proportional to 382,053.02, 573,078.90 and 101,570.30 is: 152,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,053.02 : 573,078.90 = 101,570.30 : x
  2. Step 2: Convert to fraction form
    382,053.02/573,078.90 = 101,570.30/x
  3. Step 3: Cross multiply
    382,053.02x = 573,078.90 × 101,570.30
  4. Step 4: Simplify right side
    382,053.02x = 58,207,795,796.67
  5. Step 5: Solve for x
    x = 58,207,795,796.67/382,053.02
  6. Step 6: Final answer
    x = 152,355.28

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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.