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Finding the Fourth Proportional to 523,518.59, 785,400.91 and 168,519.29

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Solution

The fourth proportional to 523,518.59, 785,400.91 and 168,519.29 is: 252,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,518.59 : 785,400.91 = 168,519.29 : x
  2. Step 2: Convert to fraction form
    523,518.59/785,400.91 = 168,519.29/x
  3. Step 3: Cross multiply
    523,518.59x = 785,400.91 × 168,519.29
  4. Step 4: Simplify right side
    523,518.59x = 132,355,199,370.25
  5. Step 5: Solve for x
    x = 132,355,199,370.25/523,518.59
  6. Step 6: Final answer
    x = 252,818.53

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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.