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Finding the Fourth Proportional to 519,333.48, 779,000.22 and 125,349.48

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Solution

The fourth proportional to 519,333.48, 779,000.22 and 125,349.48 is: 188,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,333.48 : 779,000.22 = 125,349.48 : x
  2. Step 2: Convert to fraction form
    519,333.48/779,000.22 = 125,349.48/x
  3. Step 3: Cross multiply
    519,333.48x = 779,000.22 × 125,349.48
  4. Step 4: Simplify right side
    519,333.48x = 97,647,272,496.89
  5. Step 5: Solve for x
    x = 97,647,272,496.89/519,333.48
  6. Step 6: Final answer
    x = 188,024.22

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Similar ratio
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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.