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Finding the Fourth Proportional to 510,999.99, 766,619.73 and 156,014.03

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Solution

The fourth proportional to 510,999.99, 766,619.73 and 156,014.03 is: 234,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,999.99 : 766,619.73 = 156,014.03 : x
  2. Step 2: Convert to fraction form
    510,999.99/766,619.73 = 156,014.03/x
  3. Step 3: Cross multiply
    510,999.99x = 766,619.73 × 156,014.03
  4. Step 4: Simplify right side
    510,999.99x = 119,603,429,721.71
  5. Step 5: Solve for x
    x = 119,603,429,721.71/510,999.99
  6. Step 6: Final answer
    x = 234,057.60

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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.