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Finding the Fourth Proportional to 523,654.99, 785,543.99 and 186,743.54

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Solution

The fourth proportional to 523,654.99, 785,543.99 and 186,743.54 is: 280,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,654.99 : 785,543.99 = 186,743.54 : x
  2. Step 2: Convert to fraction form
    523,654.99/785,543.99 = 186,743.54/x
  3. Step 3: Cross multiply
    523,654.99x = 785,543.99 × 186,743.54
  4. Step 4: Simplify right side
    523,654.99x = 146,695,265,518.33
  5. Step 5: Solve for x
    x = 146,695,265,518.33/523,654.99
  6. Step 6: Final answer
    x = 280,137.24

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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.