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Finding the Fourth Proportional to 500,556.49, 750,501.14 and 260,079.44

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Solution

The fourth proportional to 500,556.49, 750,501.14 and 260,079.44 is: 389,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,556.49 : 750,501.14 = 260,079.44 : x
  2. Step 2: Convert to fraction form
    500,556.49/750,501.14 = 260,079.44/x
  3. Step 3: Cross multiply
    500,556.49x = 750,501.14 × 260,079.44
  4. Step 4: Simplify right side
    500,556.49x = 195,189,911,157.66
  5. Step 5: Solve for x
    x = 195,189,911,157.66/500,556.49
  6. Step 6: Final answer
    x = 389,945.82

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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.